Back in Black is the fifth episode of Power Rangers Dino Thunder, concluding the five-episode beginning arc. This episode marks the first appearance of Tommy as the Black Dino Ranger, the first appearance of the Raptor Cycles, the Brachiozord, the Cephalazord, and the Thundersaurus Megazord Cephala Power Punch.

The Invincible Soul of the Ryujins! AbareBlack! (無む敵てきの竜りゅう人じん魂だましい!アバレブラック Muteki no Ryūjin-damashii! Abare Burakku)―AbareBlack's roll call[src]

Asuka (アスカ) is a Ryujin Warrior from Dino Earth and the mentor of the Abarangers who can transform into AbareBlack (アバレブラック Abare Burakku). Later in the show he was given a surname to be known as Asuka Ono (大野 飛鳥 Ōno Asuka).