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So, you like kicking butts, do ya? Well we'll show you old man!
Light and dark blue (with light red-purple spots on the side of his head)
List of characters Incidental 40 (named Harold,   Bill,  Reginald, and  Scott ) is a  Bikini Bottomite and one of the most common background characters in the series. He is a blue fish with a shark-like dorsal fin and sharp teeth. He is known for being short-tempered and cynical in most of his appearances.
Like other character models, his appearance is not perfectly consistent, and only in some episodes he is only completely naked. He first appeared in the episode "
He is a cyan looking fish with a dark blue dorsal fin. On the sides of his head, there are light red-purple spots.
He has a light salmon lips and black eyes. He wears a white T-shirt and a red speedo with white stripes on the sides. In some episodes, he speaks with an
He may appear to be mostly ill-tempered and cynical in most of his appearances.
His name is revealed in the episode called "
Roller Cowards." In " Porous Pockets," Bert AshFish calls him "Bill." However, his name is confirmed in " Gary in Love" as "Harold."
He has been voiced by both
Doug Lawrence and Dee Bradley Baker. Lawrence's portrayal gives him a more common American accent, while Baker's gives him an English one.
"You! Come back here! You've gotta help me clean this place up!" —" Gary in Love"
"You brought this on yourself, Harold. I did not Harold! Yes, you did Harold. Harold, I did not!" —" Gary in Love"
"That thing's green! Ah ha ha ha! Green!" —" Patty Hype"
"How dare you?! You toyed with our emotions! [pointing at Plankton; pokes his eye] " —" Plankton's Pet"
"So, you like kicking butts, do ya? Well we'll show you, old man!" —" The Bully"
"Your hideous white skin just ruined the party! I mean look at you, do you hug your mother with that skin?" —" Sun Bleached"
"I would like to order..."
"This is our abandoned sofa pal!"
"Yeah, for the fireman!"
"Hooray for SpongeBob!"
"Hey, did those guys just call you 'Squidward?'"
"What's your problem?"
"How many times do we have to teach you this lesson, old man?!" —" The Bully"
"Hey, hey, funny guy! I've got a joke for you! What smells rotten and puts people to sleep? [SpongeBob: Umm, noxious gas?] No! Your act!" —" Squirrel Jokes"
"(In unison with other guards) Run! Run! Run! Run! Run!" —" Jailbreak!"
Shower In A Can!
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In season 1, he was usually shown either naked or only wearing his red shorts. He was also seen naked in " Your Shoe's Untied."
In " Planet of the Jellyfish," he is called "Random Guy" multiple times by SpongeBob.
In the episodes " Squirrel Jokes," " Band Geeks," and " Sun Bleached," he has a British accent.
It is revealed in " Patty Hype" that his favorite color is purple, as he buys a purple patty.
In the same episode, he is the first customer to buy SpongeBob's Pretty Patties.
He is the most antagonistic background character.
On November 20, 2018, Nickelodeon released a video on YouTube questioning if he is really "a ticking time bomb" due to his antagonistic nature.
 The episode The Curse of Bikini Bottom reveals that he has serenephobia, which is the fear of mermaids.