Harold William "Bill" Reginald is a blue fish who usually wears a white shirt and a red Speedo. Like other character models, his appearance is not perfectly constant, and in some episodes he is completely naked. This means that the two names the basic design was referred to as could indeed be separate people. He appears to be ill-tempered and cynical in most of his appearances. His name was revealed in the episode "Roller Cowards." In Porous Pockets, Bert calls him "Bill". However, his name was confirmed in Gary in Love as Harold. He has been voiced by both Doug Lawrence and Dee Bradley Baker.
Lawrence gives him a more common American accent while Baker gives him a more British accent.
rchbearer who carries the Olympic Flame to the site of the 21st Annual Fry Cook Games to light the giant burger and officially begin the event. However, the flame is put out by a gust of wind before he can do so, and he is forced to run to the stadium again. He successfully lights the burger, but is then inexplicably engulfed in fire himself.
In "Jellyfish Hunter", he is a salesman that appears to be stalking SpongeBob.
In "Sailor Mouth", he is a pirate eating at the Krusty Krab with is a pirate captain and is offended by SpongeBob's obscene language.
In "Bubble Buddy", he is shown to have a "special friend" named "Boo Boo Keys".
In "The Bully," he beats up an old man with other townspeople after SpongeBob cries out that Flatts is going to kick his butt, thinking he was referring to the old man.
In "Picture Day," he is hit with a ketchup filled balloon and warns SpongeBob about the teenagers throwing the balloons.
In "Mid-Life Crustacean", Harold complains about Mr. Krabs walking so slowly, saying, "Could you go any slower?" Later, Patrick rides on Harold's back as he walks away from the grocery store, and he says "Get off of me."
In many episodes, including Jellyfish Hunter and Patty Hype, he is seen in a brown suit and fedora hat and especially in The Abrasive Side where his cameo appearance is seen at the bus stop line.
In "Friend or Foe", he was among the people who were waiting to buy a burger from young Krabs and Plankton.
In The SpongeBob SquarePants Movie, he makes a cameo appearance as one of the Bottomites in the Chum Bucket and later under Plankton's control and is also later out of the mindcontrol by SpongeBob's guitar blaster.
In Hall Monitor he attends boating school and then goes home seen in his boatmobile.
In Walking Small his eyeball irritates by sand and then runs away.
In Greasy Buffoons he is seen eating at the Chum Bucket & Krusty Krab
In Earworm he thinks SpongeBob is tricking him while singing, but SpongeBob tried several so it accidently occured that the krabby patties were exposed in double and served behind Abigail's table.
In Grandma's Kisses he and other blue fish were laughing at SpongeBob about a kis on forehead.
In Stanley S. SquarePants he appears in brief scene that Stanley developed photos and makes him impatient.
In Oral Report he makes a cameo at the beginning where he and other fish were one of wolf-acting hungry customers exposed impatient to SpongeBob and attack Squidward.
In No Hat for Pat he gets grossed out by SpongeBob blowing nose on his fin.
In Once Bitten, Harold's most prominent appearance, he is one of the refugees hiding at the Krusty Krab after Bikini Bottom is overrun by zombies, due to mad snail disease. He becomes the de facto leader of the fish, and wants to kill Gary to stop the disease, but he doesn't when it is revealed that all gary had was a splinter.
In Pet or Pests he and his son Tyler briefly get confirmed on the background seen going out of the supermarket.
In Karate Star it was revealed that he works at the lemonade stand while he got surprised from SpongeBob and Patrick practicing their individual karate competition.
In The Play's The Thing, he is seen chewing on Nat's arm after the lights go out and come back on.
In Tunnel of Glove he briefly appears in major situation where he was apparently trapped in line along with other fish stepped by Patrick trying to rescue SpongeBob along with Pearl.
In Spongebob vs the Big One, he thought that Sandy was a spaceman, jabbing her with pitchfork and making Sandy annoyed.
For some reason in The Krusty Krab Training Video his voice is a little deeper while in Just One Bite his voice is a little more light.
In Roller Cowards he was called Harold while in Porous Pockets, he was named Bill. Ths may be because his name was changed to Harold for the Firey Fist O' Pain Commercial.
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