Doragory

Doragory is a Choju created by Yapool and a recurring antagonist in the Ultraman franchise, first appearing in Ultraman Ace.

Ultraman Ace
Doragory first appeared in episodes 7 and 8 where it was sent alongside Alien Metron Jr. by Yapool to destroy the TAC HQ. They later fought Ultraman Ace together. Though Ace managed to defeat and destroy Metron, he was too weakened to overpower Doragory. However, Ace manages to regain his strength and defeat Doragory by slicing off his head with the Ace Blade before destroying his body with the Metallium Ray.

Ultra Galaxy Mega Monster Battle
Doragory appeared in episode 11 where it showed up to assist Verokron in its fight against Gomora. To even the fight, Rei summoned Eleking to fight Doragory. After defeating Verokron, Gomora turned its attention to Doragory and assisted Eleking in overpowering it. It was then destroyed by Eleking's Electric Beam.

Ultra Galaxy Mega Monster Battle: Never Ending Odyssey
It appeared in episode 4 when it was sent out by Alien Metron to fight Gomora. After being easily overpowered by the heroic kaiju, Doragory was called back by Metron

Mega Monster Battle: Ultra Galaxy Legends The Movie
Doragory appeared as a member of the Belial Army. It fought Ultraseven alongside Eleking, Banpira, Alien Guts, Alien Metron, King Joe Black, Verokron, Doragory, King Pandon, Fire Golza, and Nova to take on Ultraseven.