Apo-Apo

Apo-Apo is a magical sapient mask introduced in Crash Team Racing Nitro-Fueled, in charge of protecting racers involved in the Rustland Grand Prix's apocalypse.

Crash Team Racing Nitro-Fueled
Apo-Apo was introduced in Crash Team Racing Nitro-Fueled as an invincibility mask item as part of the Rustland Grand Prix. He protects those racing on the Megamix Mania track as well as racers wearing Rustland themed skins regardless of which mask they are allied with normally. He will also appear during the podium animations for the characters wearing Rustland skins.

Personality
Next to nothing is known about Apo-Apo's character given his lack of spoken voice lines and unexplained origins. He's very aggressive, with the only sounds he makes being feral growls and snarls. He does seem to have a small light-hearted side however, as he twirls around playfully during some of the Rustland skins' victory animations.

He is a living magic mask similar to Aku Aku and Uka Uka, though it is unknown if he is a reincarnated spirit like them, nor what (if any) relation he has to them.

Appearance
Apo-Apo is a brown wooden mask with glowing pure yellow eyes and dull grey metal armor that features nine spikes, two on each side and five at the top along with metal teeth, and three green feathers on each side of his face. There is also what appears to be spots of rust on his armor.

Trivia
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 * Apo-Apo's design bears a resemblance to both Aku Aku and Uka Uka as they appeared in Crash of the Titans and Crash: Mind Over Mutant.
 * "Apo" derives from the word apocalypse, of which the Rustland Grand Prix he was introduced in is based on.