Donald the Shark is a shark who first appeared in the "Anchor Arms" commercial in the episode "MuscleBob BuffPants." He is the one who advertises the anchor arms. He says he used to be a "wimp." He then shows a picture of himself.
Donald is tall and gray. He is very muscular and wears tight red shorts. He has black pupils and sharp teeth.
It can be assumed that he does not have real muscles.
"We paid ten dollars for this?"
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