Infected is a chaotic psychopath that seeks the pain and suffering of all that he considers wrong.  In battle, Infected Sans is a formidable opponent. He wields an axe, which he uses with deadly proficiency to earn kills. His short-length axe, resembling a cleaver, is a prized possession and holds a special bond to his soul, creating a physical connection. He has fought error 404, Alpha Sans, Etc. and he is hated amongst everyone except the evil Sans's.  He hates AlphaTale, Even Error 666.