Oscar is a wolf-like creature. He has blue eyes, and is covered in grey hair. He wears a green shirt, a white scientist jacket, black pants, safety glasses and red shoes. Oscar's voice is similar to Dr. Rockwell from the 2012 Teenage Mutant Ninja Turtles series.
Oscar is friendly, quiet and very intelligent. Unlike most of his species, he lacks the hatred for humanity and had no intention of destroying Earth.