The Keymaster is an old man with long black beard. He's wearing a brown cloak and holding a set of keys on his left hand and a huge key on his right hand.
In the Gold and Platinum version, he has a lot of lit candles on his back.
- Attack: Cataclysmal
- Life: Tank
- Speed: Very Slow
Guardian of time and space, the Keymaster exists only for reason: protect the doors of time. Whoever would cross them could have a catastrophic impact on the world as we know it. Some say that he entered the arena in search of somebody, or something...
- His name was taken from The Keymaster aka Vinz Clortho from Ghostbuster movie
- The key held on his left hand could be a reference to the Keyblade from Kingom Hearts.
- His Gold version's attire slightly resembles the clothing worn by Yen Sid from Fantasia.