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If you are looking for the real-life actor, see Tim Conway (actor).
Tim Conway is the athletic coach at a high school where Velma Dinkley used to attend.
Coach Conway is a Caucasian male with brown receeding hair. He wears a blue cap, a gray sweatshirt and a whistle around his neck.
He was relatively clumsy, and he didn't seem to know a lot about playing sports.
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He was being haunted by the Spirit of Fireball McPhan, and if the 'ghost' wasn't captured, he would have lost his job.
Along with Shaggy Rogers, he eventually caught one of the McPhan spirits.