Billy (green fish)

Billy (Born July 18, 1996) is a male lime green fish that makes any cameos in each episodes. He wears a golden t-shirt with a red stripe on it.

Appearances

Ripped Pants - (cameo/debut), background appearance, etc.

Walking Small - His name was revealed by his mom Evelyn.

Pickles - He appears to escape the Krusty Krab with his parents, Martha & Lenny.

F.U.N. - He attends movie theater.

Valentine's Day - He attends carnival boardwalk.

Employee of the Month - (cameo)

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

Something Smells - He attends movie theater.

Bubble Buddy - He debuts attending beach.

I'm Your Biggest Fanatic - (cameo) He was Nathiel's son.

The Smoking Peanut - Running away with his uncle Lloyd.

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

Squid on Strike - Having a female voice seen with Sandals.

Sandy, SpongeBob, and The Worm - He shows along with Charlie, Evelyn, Fred, and others.

SpongeGuard on Duty - He attends Goo Lagoon.

My Pretty Seahorse - debut

The Bully - debut

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

As Seen On TV - (cameo)

Party Pooper Pants - Seen blue along with Halbert.

Superfriends - (cameo) deep in line.

Clams - (cameo)

The Great Snail Race - (cameo) deep in audience.

Born Again Krabs - (debut) appears to celebrate.

I Had An Accident - (cameo) deep in line.

Krabby Land - He was seen as a child.

Krabs vs Plankton - He attends court.

Good Neighbors - (2 debuts) Seen in downtown. Seen around in Squidward's house.

Dunces and Dragons - (debut)

SquidBob TentaclePants - He attends clarinet recital.

Once Bitten - It was revealed as a zombie.

Wigstruck - He was at movie theater.

Driven to Tears - (debut)

Rule of Dumb - (cameo/debut) waiting in Patrick's line.

Best Fremenies - 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.