Thomas John Smith, also known as the Chocolate Guy, is a Bikini Bottomite who first appears in the episode "Ripped Pants." He is the husband of Martha Smith, though due to the varying continuity of the series he has been shown hanging out with other women. He is shown to be the father of Miss Rechid in "Bubble Buddy" and Monroe's father in "Hocus Pocus."
He is heard with a female voice in the episodes "Doing Time" and "The Sponge Who Could Fly." He has been voiced by Dee Bradley Baker and Mr. Lawrence. His most famous appearance is in "Chocolate with Nuts" when he starts chasing after SpongeBoband Patrick, trying to buy all of their chocolate bars, screaming "Chocolate!"