Glue Boy is a fictional animal character in the Hey Arnold! TV Series.

He is a mule bought by Ernie, Mr. Hyunh, and Oskar for $200 each. They thought it was a racing horse.

In the episode "The Racing Mule" Glue boy, with Arnold as his jockey, won the grand prize of $3000 in the mule race at Santa Conchita.

Appears in

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