There are more than one artist with this name: 1)
The Psychos were early 1980’s punk/hardcore band from New York. Band’s bass player Billy Milano later became famous as singer of S.O.D. and M.O.D. 2)
The Psychos were formed in S.E London in early 1977 by Clive Goodman (vocals),Cliff Whittle (guitar) and Dave Jenkins (bass) +various drummers. They recorded a session in october 1977 for Raw Records which featured four tracks, Soul train, Straitjacket, So young and Young, British and White.