| Unofficial name
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BlackJack's guard worm is a typical, big light green worm who has light red eyes with black pupils and sharp, light yellow teeth. He wears a spiky metal collar attached to a chain.
Role in episode
When SpongeBob walks up to BlackJack's house so he can save his parents and approaches the door, the guard worm reaches out from a rusty boat in the backyard. He barks at SpongeBob, who is easily frightened.
He can be seen as a foil to Gary, much like Blackjack is a foil to Spongebob.
|Worms (V • E)|
Alaskan Bull Worm • Baby worms • BlackJack's guard worm • Earworm • Guard worm • JK • K-9 Unit • Kenney • Mipsey and Pipsey • Mr. Doodles • Mrs. Squiggles • Mrs. Wormsley • Nematodes • Peanut worms • Prickles • Rex • Snookiems • Spotted Glistening Meadow Worm • Tapey • Worm from Appleworld • Worm hogs • Wormy