Billy (green fish)

William "Billy" James Fishbowl is a lime green fish and a main citizen of Bikini Bottom with red lip and a golden shirt with a red stripe on it. He was Shubie's son but he was adopted by Evelyn Water. He makes more cameo or brief appearances than roles in each episodes.

Pickles - he makes a first appearance role according debuts of 2 cameos with Lenny and Martha Smith.

Walking Small - his name was revealed when he picked up the tractor, Evelyn warned him that it has germs.

Employee of the Month - (cameo at the end) he was seen along with Lenny, Mevis,Nat,Frank, and Jimmy-Gus.

Neptune's Spatula - (2 cameos) he was at museum and appears in crowd of audience.

Wormy - (cameo) he was seen running shocked in downtown along with other fish chased by a butterfly thinking it's monster in Bikini Bottom.

Patty Hype - (cameo) he appears in big line of other fish.

I'm Your Biggest Fanatic - (cameo) he was briefly a stepson of Nathiel.

The Smoking Peanut - he briefly is seen shocked and running away with his uncle Lloyd.

The Fry Cook Games - (cameo) He attends a cool event.

Squid on Strike - he appears to have a female voice along with Sandals.

Sandy, SpongeBob and the Worm - he shows along with Charlie, Evelyn, Fred, and others.

SpongeGuard on Duty - He attends Goo Lagoon.

Mermaid Man & Barnacle Boy IV - (cameo) Shown black inside of jar.

Party Pooper Pants - he appears to blue instead of lime color along with Halbert.

Krabby Land - He was seen as a child.

The SpongeBob SquarePants Movie - He appears light navy & grey as a member of audience.

Krabs vs Plankton - he attended courthouse.

Dunces and Dragons - (cameo)

Enemy In-Law - he was seen shocked in downtown and then got kidnapped by a robot Plankton.

SquidBob TentaclePants - he attends clarinet recital.

Once Bitten - It was revealed as a zombie.

Wigstruck - He was at movie theater in a civil riot along with other fish figuring that SpongeBob along with Sandy blocked the screen by his wig.

Best Frenemies - he was a Kelp Shake restuarant customer.

The Pink Purloiner - He was a bus passenger.

Best Day Ever - He attends the best day ever event.

Friend or Foe? - He was seen as a kid.

Fungus Among Us - He was seen fungusy in the krusty krab.

Roller Cowards - He was a Glove World customer / tourist.

The Krusty Sponge - (3 cameos) He leaves the Krusty Krab & returns, waits in line and attends courthouse.

A Flea in Her Dome - (cameo) Trapped in Sandy's Treedome at the end.

Mermaid Man vs SpongeBob - He briefly attended Chum Bucket almost at the end.

The Two Faces of Squidward - (cameo) He was looking, taking photos, etc.

Spongicus - (cameo) He attended chum colosium.

Suction Cup Symphony - He attends Squidward's concert.

A Life in the Day - (cameo) he attended to be Goo Lagoon beach toursit.

Sun Bleached - (2 cameos) he attended Goo Lagoon. He was at tanning party.

The Krabby Kronicle - (cameo) he despites a riot on Mr. Krabs at the end along with SpongeBob's friends and other fish.

The Slumber Party - (cameo) he briefly appears in Thaddeus' design and he was at Pearl's slumber party beach.

Krusty Krushers - he attends Bikini Bottom wrestling.

Shuffleboarding - (cameo) he briefly popped out of jail.

No Hat for Pat - (cameo) he & other fish approach on Mr. Krabs about falling Patrick.

Chum Bucket Supreme - he was one of Plankton's customers.

Truth or Square - he makes a cameo in krusty krab celebration event.

Chum Caverns - he briefly waits in line of the underground elevator.

Tentacle-Vision - (cameo) he was briefly seen only on TV.

Stuck in the Wringer - he attended Glove World.

Greasy Buffoons - (cameo) he briefly appears first in line in front of Harold, Nat, and Frank.

SpongeBob's Last Stand - (cameo) he was convicted and accumulated in action to save Jellyfish Fields from Super Shelly Highway.

The Cent of Money - he, Evelyn, and Nathiel briefly were in emergency to escape from the chaos of coins caused by Mr. Krabs using Gary for buckets and change machine.

The Wreck of the Mauna Loa - he was at the big ship underground.

Love That Squid - he makes a cameo appearance sitting along withHarv.

Looks

Billy wears a golden t-shirt with a red stripe on it.

Appearances

• Pickles (debut)
• Walking Small (name revealed by Evelyn)
• Employee of the Month
• Neptune's Spatula
• Squid on Strike
• Sandy, SpongeBob, and the Worm
• The Fry Cook Games
• Krusty Krushers
• The Great Snail Race (appears in crowd scene)
• Suction Cup Symphony
• Spongicus (briefly a few cameos)
• Wormy
• Patty Hype
• PreHibernation Week
• Christmas Who?
• I'm Your Biggest Fanatic
• The Smoking Peanut
• The Pink Purloiner
• Squid Wood
• Fungus Among Us
• The Two Faces of Squidward
• The Krusty Sponge
• Slimy Dancing
• The SpongeBob SquarePants Movie (briefly seen in dark red color)
• Krabs vs Plankton
• Stuck in the Wringer
• The Cent of Money
• The Wreck of the Mauna Loa
• Love That Squid

Quotes

He burnt my shake.

Mom look, someone left a toy tractor over here.

Oh mom!

Hey Everyone!! Krabby Patties!! (along with other fish)

Wow, All of this supporting is making me hungry.

Hooray! (along with female fish in bus)