While a demon, Sid's standard form allows him to pass for human for the most part, as aside from his slightly tanned skin, pointed elf like ears, and port wine like birthmark over his left eye. His eyes are brown with yellowish sclera and the tips of his fingernails are longer than normal, resembling claws. Initially seeming to be a minor nuisance, Dante shows mercy towards Sid and refrains from killing him when given the opportunity. Sid is a lesser demon