Swampert has a huge cobalt blue-colored body and massive, three-fingered open palms. Swampert has a wide mouth, and three small pointed protrusions from its upper jaw. Two orange gills protrude from round patches on its cheeks, and two large, semiovular black fins rise from the top of its orange eyes on its head. Swampert's tail fin is huge, broad and black. Swampert's underside has white coloration, and its hands and three-toed feet each have orange, ridged portions.