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Viral is a member of the Human Eradication Army, who regards Kamina as a strong rival. Though being among the more humanoid of the Beastmen, his RNA contains aspects of tiger shark genetics. He pilots Enkidudu, which mainly utilizes swords and a powerful laser. He is extremely loyal to Lordgenome and the four supreme generals, and he does his best to serve them. After Kamina's death, he continues to fight Gurren-Lagann, thinking that Kamina is still alive, and he is shocked once he learns the truth.

Source from Wikipeida