Spike brought out the weapon as a last resort when his Devilmite Beam failed to kill Goku. He uses Magic Materialization to make the Demon Fork and proceeds to attack Goku with the weapon. However, he was still quickly defeated by Goku.
Video Game Appearances
Spike the Devil Man appears with his Demon Fork in Dragon Ball: Advanced Adventure, Dragon Ball Z: Budokai Tenkaichi 3, Dragon Ball: Origins 2, and Dragon Ball: Revenge of King Piccolo. In Budokai Tenkaichi 3, the fork is used as part of the Fork Attack and during the Demon Fork Rush. Additionally, the Demon Fork is trophy No. 35 in Advanced Adventure and a treasure item in Revenge of King Piccolo.
Similar weapons appear wielded by devils in concept art for Dragon Ball Online, however they are not forks.
Psi Devilman and Great Devilman both wield Demon Forks in Dragon Ball Heroes and its ports. Psi Devilman refers to his weapon by name when the level "I'm Gonna Beat You to a Pulp!" in Super Dragon Ball Heroes: World Mission is replayed.