Species: Shark/Cat Beastmen
Occupation: Vice Commander/Warrior/Team Dai-Gurren Member
Relationships: Kamina (rival), Simon (rival/ally), Thymilph (superior officer), Adiane (superior officer), Cytomander (superior officer), Lord Genome (king)
Gunmen: Enki, Enkidu, Dai-Gunkai (temporarily), Enkidudu, Gurren, Tengen Toppa Gurren-Lagann, Enkidududu (drama cd), Enkidudududu (drama cd), Dai-Gunzankai (drama cd), Tengen Toppa Enki Dulga (Lagann-hen)

Viral is a recurring enemy and later an important ally to Team Dai-Gurren. He is a shark-type Beastman with feline genetics. He is skilled in piloting Gunmen, as well as in unarmed combat.