The rubber duck is a bath toy that first appears in the episode "Naughty Nautical Neighbors."
It is a small, yellow, plastic duck that usually squeaks when squeezed.
Role in series
"Naughty Nautical Neighbors"
Patrick is shown in Squidward's bathtub with a rubber duck and a toy boat.
Squidward's rubber duck is seen in his bathtub. Mr. Paper then as an paper airplane "attacks" this object and the rubber duck sinks.
A rubber duck is squeezed by Patrick when he is interrupting Squidward conduct the symphony.
Patrick is looking for his rubber duck, which SpongeBob ends up slipping on. This episode also includes Patrick's name written on the rubber duck.
A rubber duck is shown to be included in Patrick's bank breaking kit.
Role in video games
On some occasions, if the player defeats a robot enemy, a rubber duck may pop out of them.
During the cutscene that introduces the Slammers, Patrick sees a rubber duck on the floor and shouts "Duck!" SpongeBob asks "Where?" and then falls off the stage upon being hit by a Slammer.