List of Characters

Main Characters

The following characters has appeared in every episodes in the series, also having major roles in each episode.

Picture	Name	Description
	Milo	The main protagonist and is described as a "party guy". Milo loves going on wild adventures with his friends. He will do whatever it takes to save the world from boredom, even if it takes him to crazy situations. His brother is a nervous fish named Oscar and his friend is a goldfish named Bea. He's shy, lazy, and cute. He has blue hair, orange lips, blue green skin, and rosy cheeks. His hair is as the sky, his lips are as oranges, his skin is as the water, and his cheeks are as roses. He also has blue stripes on his tummy and back. His favorite flowers are roses. He's also the youngest and shortest of all three bffs. Voiced by Kyle Massey.
	Oscar	The detourtagonist and the neutral and nervous brother of Milo. He is nervous and has a big crush on Bea, one of their friends. He only joins Milo's crazy adventures cause Milo makes him join. He's extremely lazy, confident, and caring. He has brown hair, olive lips, and whiskers. His hair is as tree bark and his lips are as olives. He also has green stripes on his tummy and back. He's also the oldest and tallest of all three bffs. Voiced by Justin Roiland.
	Bea Goldfishberg	The tritagonist and the friend of Milo and Oscar. She wants to become a famous actress and is overly-dramatic about everything. Oscar has a crush on her, but she doesn't notice. She's beautiful, fearless, and intelligent. She has red hair, peach lips, and freckles on both sides of her face. Her hair is as anemones and her lips are as peaches. She also has orange stripes on her tummy and back. She's also the middle and thinnest of all three bffs. Voiced by Chelsea Kane.

Freshwater High students

These characters are students of Freshwater High. Most of them appear in many episodes throughout the series.

Picture	Name	Description
	Shellsea	Bea's best friend. Shellsea is independant and focused, and loves to pick out who is less attractive than her on the yearbook. She also loves makeup, dating, and boys, especially Steve Jackson. Voiced by Kari Wahlgren.
	Clamantha	A crazy clam who goes to Freshwater High. Clamantha enjoys cheerleading and has losts of spirit. Clamantha has an insane crush on Oscar, to the point of her being completely obsessed with him. Voiced by Alex Hirsch.
	Albert Glass	Albert is a very smart and nice fish in school. Albert is brainy and is described as a nerd, being a main target for bullies. He is mostly seen bullied by Jocktopus or hanging out with his best friend, Jumbo Shrimp. Voiced by Atticus Shaffer.
	Jumbo Shrimp	As the other nerd in school, Jumbo keeps interesting stuff in his pouch, ready to amaze people at any time. Jumbo is best friends with Albert, and enjoys hanging out with him by playing nerdy activities. Voiced by Steven Christopher Parker.
	Jocktopus Ludwig Vandenbush	The main antagonist and the school bully. He's an octopus who loves beating up other people. Jocktopus plays in the football team, has his own gang to help him with his bullying, and has a girlfriend named Piranhica. Voiced by John DiMaggio.
	Finberley	A little fish who is another one of Bea's friends. Finberley has an extremeley notable crush on Steve Jackson, who she adores. Finberley is also prone to having bad luck and getting injured often. Voiced by Kimberly Mooney.
	Esmargot	One of Bea's friends. Esmargot is a strange, slimy, sticky green sea slug who leaves a trail of slime behind wherever she walks. She feels sick all the time, and does not really have a bright spot, but is still friendly. Voiced by Rachel Dratch.
	Koi	One of the bigger fish in Freshwater High. Koi is one of Bea's friend and is said to have a huge heart. Due to her strength and height, Koi is in the schools basketball team. Voiced by Rachel Dratch.
	Randy Pincherson	A selfish crab who attends Freshwater. He is very rich and has a crush on Bea, which angers Oscar. He also seems to treathen people to do what he says. He is somewhat of a bully to Milo. Voiced by Josh Sussman.
	Bo Gregory	A student who is known for having all sorts of tractors and trucks, all of which is from his farm. From corn fields to cow pens, Bo Gregory loves his way of transportations. Voiced by Maxwell Atoms.
	Steve Jackson	The most popular fish in Freshwater High. Steve attracts girls of all sorts, and is aware of his popularity. Steve is a very nice person, however. Also, playing sports and dating girls are what he loves to do most. Voiced by Greg Cipes.
	Dan and Ann Chovie	The Chovie twins are the most childish and immature fish in Freshwater High. They may seem weird and odd, but they both have lots of school spirit. Voiced by Jane Carr.
	Hugh Edmonson	A fish who came from France, Hugh Edmonson doesn't speak English, and he isn't a man with a lot of words. Voiced by Maxwell Atoms.
	Goth Fish	Lead by the gloomy Razor V. Doom, the goth fish are the most monotonious and boring fish of the school. The members include Scabbo, Goth Squid, and Bleak Molly.
	Piranhica	Jocktopus's cruel girlfriend. Piranhica loves sweet talking him in public, which annoys Jocktopus sometimes. However, like Jocktopus, Piranhica loves provoking people and watching nerds get beat up. Voiced by Laura Ortiz.
	Pass, Punt, and Fumble	Pass, Punt, and Fumble aren't the brightest ones in school, but this trio spends most of their time teaming up with Jocktopus to make student's life miserable by bullying them as much as possible. Voiced by Dave Wittenberg, Alex Hirsch, and Roger Craig Smith.
	Student Council	Three lobsters who organizes important events for the school. They are all sophisticated and smart, and all three of them speaks in the same exact monotonious voice the other.
	Lonnie	The marching band leader of Freshwater High. He may seem like a regular band geek, but Lonnie and his marching band are very tough, and they could get rid of anyone's instruments, even if they have to fight for it. Voiced by Doug Brochu.
	James Sardine	As the smallest fish in Freshwater High, James Sardine is more of a silent type, but he can still date girls, and driving his own car into school doesn't get in the way.
	Freshwater High cheerleaders	The Freshwater High cheer squad are a group of cheerleaders who loves cheering as much as dating. They are all nameless, and they got taken away by Bud from the tanks. For unknown reasons, they come back in future episodes.
	Kevin	Nobody knows who this guy is. He appears in the halls and other areas of Freshwater, and has been left out ever since he got held back in school. Voiced by Jason Earles.

Freshwater High teachers and staff

These following characters are teachers of Freshwater High.

Picture	Name	Description
	Mr. Baldwin	Milo, Oscar, and Bea's boring homeroom teacher. Mr. Baldwin is a pregnant seahorse, who seems depressed about his life all the time. Something happened to him in the 1980's, but no one knows what happened. Voiced by Dana Snyder.
	Coach Salmons	The gym teacher of Freshwater. Coach Salmons is kind and always wants to do what's best for his students. He enjoys singing, exercizing, and comforting his students. Voiced by Richard Simmons.
	Mr. Mussels	The drama teacher in Freshwater High. Mr. Mussels thinks everyone has a dream, and that someday, they will rise up and shine. Mr. Mussels speaks in a megaphone, even though his voice is already extremely loud. Voiced by Tiny Lister.
	Ms. Lips	Freshwater High's strange school couselor. She teaches students advice on how to live their life, but it seems that she needs the most help. Because of her long and tall size, she is known for crashing the top of the door with her head. Voiced by Jennifer Coolidge.
	Principal Stickler	The principal of Freshwater High. Principal Stickler yells orders to his assistant, Nurse Fishington. Stickler takes his job very seriously, and he hates whiny students who gets in his way. Voiced by Jerry Stiller.
	Headphone Joe	Freshwater High's janitor, who cleans tanks by sucking the glass. Headphone Joe is laid-back, nice, and could give advises, although he doesn't help much. Voiced by John Caparulo.
	Dr. Frog	Freshwater High's journalism teacher. He now teaches woodshop because everyone hated his journalism course. His only student is Bea and gives her assignments. Voiced by Kevin McDonald

Other:

Nurse- Nurse Fishington

Lunch Lady

Lunch Lady Eleya

Unnamed Technology Teacher

Unnamed Math Teacher

Unnamed Social Studies Teacher

Unnamed Science Teacher

Unnamed Music Teacher

Unnamed Band Teacher

Unnamed Librarian

Unnamed Art Teacher

Unnamed Spanish Teacher

Other Characters

These characters are neither Freshwater teachers or students. Some live inside the tank, while others live outside.

Picture	Name	Description
	Chief	The boss of the Hokey Poke. Chief runs the restaurant with an iron fist, and doesn't have time for any fun and games. Chief has also left an interesting life behind his current job, such as capturing "Big Blue". Voiced by Blake Clark.
	Bassy	The waitress at the Hokey Poke. She works alongside with the Chief, so the two of them makes sure the Hokey Poke gets a lot of customers. Bassy takes the orders, while Chief prepares the food. Voiced by Tress MacNeille.
	Mrs. Goldfishberg	Bea's overprotective mother. She treats Bea like a baby throughout the series, but is friendly and kind-hearted. She once chaperoned for the school dance. Voiced by Edie McClurg.
	Norman Goldfishberg	Bea's father. Like the mother, he embarresses Bea a lot. He got Bea's mom to marry him by his dance moves. He once chaperoned for the school dance. Voiced by Noah Z. Jones.
	Pamela Hamster	Milo's hamster girlfriend who lives in Hamsterwood. She once went to Freshwater to visit Milo, where she suprisingly reveals that she is a gerbil. Voiced by Sabrina Bryan.
	Geckos	Freshwater High's biggest rival. They all live in the Gecko tank, where they compete Freshwater in sports. However, they never won a single game.
	Bud	The real owner of Buds Pet Shop. Bud is a huge guy (at least to the fish). He mostly spends his time cleaning the floor or doing awkward stuff. Voiced by Dana Snyder.
	Wilford	A giant cat that roams around the pet store, hoping that a fish could come out. Wilford once chases Milo, Bea, and Oscar through the store.
	Mr. Nibbles	Pamela's boss at the Hamster studios at Hamsterwood. Mr. Nibbles seems to hate the smell of fish, and complains about the smell whenever he gets near one. Voiced by Jason Alexander.