The janitor is a character who makes several cameo appearances, starting in the episode "Big Pink Loser."
He is an olive-green fish with dark purple lips and light purple dorsal fins. He wears faded-blue overalls, an orange shirt, and a small orange hat. He appears to have two jobs, as a delivery fish in "Big Pink Loser" and a garbage fish in "Sailor Mouth" and "Artist Unknown." He appears in multiple other episodes doing other jobs.
Role in series
"Big Pink Loser"
He can be seen delivering SpongeBob a truckload of trophies, causing Patrick to feel jealous.
Later in the episode, he mistakes SpongeBob as Patrick and delivers the latter's trophy to SpongeBob. However under closer examination SpongeBob reveals that the trophy is supposed to be delivered to Patrick.
While he is taking out the trash, he calls SpongeBob out for using profanity, asking if he kisses his mother with that mouth.