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Uka Uka, as seen in Crash Bandicoot N. Sane Trilogy
|First appearance||Crash Bandicoot: Warped (1996)|
|Latest appearance||Crash Team Racing Nitro-Fueled (2019)|
|Voice actor(s)||Clancy Brown (1996 - 2003)|
Alex Fernandez (2004, 2016)
John DiMaggio (2007 - Present)
Uka Uka (sometimes spelled Uka-Uka) is the spirit of an old witch doctor in the form of a wooden voodoo mask, and the twin brother of Aku Aku. He is one of the main antagonists of the Crash Bandicoot franchise.
Uka Uka is a dark brown rectangular mask, a yellow painting embroidered with red on top, yellow eyes, green eyelids, yellow eyebrows, orange nose, red lips, sharp teeth, orange beard and 3 tied bones.
Prior to the events of the game, Uka Uka were a friendly partnership with his older brother Aku Aku until unknowingly he became pure evil wanting to destroy the world and his brother had to lock him up in a temple from third island. Uka Uka on his prison gave instructions to the bad intentioned guys that visited his temple and nobody fail to him.  With the Dr Cortex and N. Brio's arrival, Uka Uka gave them instructions on how to take over the world.
In third game when a piece of the space station falls into his underground prison, Uka Uka is free where he hire a time traveler called N. Tropy to help Cortex in search from Power Crystals. In the fight involving Crash and Cortex, he and his brother face each other with beam, spinning and a chain reaction. To make up for the first defeat, Uka Uka and Dr. Cortex will go on search of Gems. Uka Uka had his defeat marked where he was sucked into a distant past era and tortured by Cortex & N. Tropy that they became babies.
- Dr. Neo Cortex
- Dr. Nitrus Brio
- Papu Papu
- Ripper Roo
- Koala Kong
- Pinstripe Potoroo
- Dr. N. Gin
- Kodomo Brothers
- Komodo Joe
- Komodo Moe
- Tiny Tiger
- Dr. Nefarious Tropy
- Fake Crash1
- Nitros Oxide2
- Penta Penguin3
- Rilla Roo
- Crunch Bandicoot4
- The Elementals
- N. Trance5
- Norm & Big Norm6
- Emperor Velo XXVII / Real Velo6
- Spyro the Dragon
- Nina Cortex
1 - Fake Crash is on Aku Aku's side in Nitro Kart and 2: N-Tranced. He is on Uka Uka's side in Team Racing and Team Racing Nitro-Fueled. He is on neither side in the Japanese version of Bash.
2 - Nitros Oxide is on Uka Uka's side in Team Racing, Team Racing Nitro-Fueled, and the Game Boy Advance version of Nitro Kart. He is on Velo's side in the console versions of Nitro Kart.
3 - Penta Penguin can use both Aku Aku and Uka Uka in Team Racing Nitro-Fueled.
4 - At the end of The Wrath of Cortex, Crunch Bandicoot becomes good and on Aku Aku's side.
5 - N. Trance is on Uka Uka's side in 2: N-Tranced, Team Racing Nitro-Fueled (before the 1.3 patch) and the Game Boy Advance version of Nitro Kart. He is on Velo's side in the console versions of Nitro Kart and Team Racing Nitro-Fueled (after the 1.3 patch).
6 - Uka Uka is used as the mask for every boss in Nitro Kart for the Game Boy Advance. Prior to the 1.3 patch, these same boss characters, along with Zem and Zam, used Uka Uka as their mask in Team Racing: Nitro-Fueled, but this was eventually changed to the Velo mask.
- Crash Team Racing Nitro-Fueled weekly challenge "Uka-Uka's minion": Hit a total of 25 characters in Aku-Aku's team.
- Aku Aku: "The Aku-Uka brothers, together again." - Crash Twinsanity
- Aku Aku: "After many eons, my evil twin brother, Uka Uka, has been freed from his underground prison. Long ago, I locked him there to protect the world from his malice. Now, free once again, he... must... be... stopped!" - Crash Bandicoot 3: Warped
- Uka Uka: "None have dared to fail the great Uka Uka even once, but you, Cortex, you have failed me TWICE!!!!" " - Crash Bandicoot 3: Warped
- Uka Uka: "From deep inside my temple prison, I sent you simple instructions to follow." - Crash Bandicoot 3: Warped