The Tritonian Yeti has only 1 appearance in Futurama. In The Tip of the Zoidberg Hubert J. Farnsworth

Acts like a Yeti, To kill whatever it finds. Zoidberg gets Attacked By The Tritonian Yeti Professor Farnsworth Attacks the Tritonian Yeti with a Knife And getting Scratched By The Yeti in The Present Professor Farnsworth thought he had Hypermalaria But Instead it Was Yetis m Which Mimic's The Symptoms of Hypermalaria  But instead of Dieing u become a Yeti The Symptoms of Hypermalaria  are fever, spasms, madness, coma, and finally death.
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