Mother Nature - Father Time #2 [late 1977 - mid 1978]

Eric Carr - drums, vocals
David Collier - bass
Eddie Dozier - vocals
John Henderson - guitar, vocals
Tom Siano - guitar, vocals
Tom McMahon - keyboards

Bionic Boogie #1 [mid 1978 - late 1978]

Eric Carr - drums, vocals
David Collier - bass
Eddie Dozier - vocals
John Henderson - guitar, vocals
Tom Siano - guitar, vocals
Pantera Saint - vocals
Tom McMahon - keyboards

Bionic Boogie #2 [late 1978 - 1979]

Eric Carr - drums, vocals
David Collier - bass
Eddie Dozier - vocals
John Henderson - guitar, vocals
Tom Siano - guitar, vocals
Pantera Saint - vocals

Bionic Boogie #3 [1979 - Apr 1979]

Eric Carr - drums, vocals
David Collier - bass
Eddie Dozier - vocals
John Henderson - guitar, vocals
Tom Siano - guitar, vocals
Dino Kovas - keyboards