In Tekken 5, I found a hidden stage, which seems to be Jinpachi's cutscene stage. In the stage, this appears after you land a hit once on the opponent. : r/Tekken
Tekken 5: Dark Resurrection - PlayStation Network review | GamesRadar+
Playable Jinpachi Mishima in Tekken 5 by deviantarter1236 on DeviantArt
Tekken's Final Bosses and What I Thought of Them!
Azazel | Tekken Wiki | Fandom
10 Video Game Bosses With Ridiculous Final Forms – Page 5
Jinpachi Mishima (Character) - Giant Bomb
Tekken 5 (Game) - Giant Bomb
Tekken 5: Dark Resurrection Picture - Image Abyss
Tekken 5 Cheats, Codes, and Unlockables for PS2
Azazel (Character) - Giant Bomb
Tekken 5: Dark Resurrection | Jin Vs Jinpachi (Arcade Final Boss) - YouTube