Card Appearances:Nightmare Penguin

"Nightmare Penguin":

Yu-Gi-Oh!

Whenever Crump duels, he has this monster as his Deck Master and its ability is to power up the Water monsters on his side of the field.

When Téa Gardner duels Crump, Crump has this monster as his Deck Master and takes its form as well. Its Deck Master ability, it affects Crump's Giant Red Seasnake, Flying Penguin and Penguin Torpedo.

The four remaining Big Five members later tried to take the bodies of Yugi's friends by force as defeating them in Duels proved to be useless. Joey quickly summoned five monster to stall for time while he and his friends tried to get away on the truck. Crump, as this monster, destroys "Swordsman of Landstar". After defeating the monsters, the Big Five went after the truck, but the gang are able to get the truck started and escape. Eventually the gang end up in a desert and later crash. Before the Big Five can take the bodies of Yugi's friends, Noah captures them for questioning on their actions.

When Yugi Muto and Joey Wheeler duel The Big Five (using Tristan Taylor's body), this monster functions as Crump's Deck Master as he uses its Deck Master ability to affect The Legendary Fisherman and Catapult Turtle. Later, Crump tributes his Deck Master along with Leichter's Jinzo, Gansley's Deepsea Warrior, Crump's Nightmare Penguin, Johnson's Judge Man and Nezbitt's Robotic Knight via Dragon Revival Ritual to tribute summon the Big Five's Five-Headed Dragon.

This monster is one of the first duelists available in Duel World mode using a WATER deck in Yu-Gi-Oh! World Championship 2008.