Right shoulder - "Boss" tattoo is same as
Frank's from The Rocky Horror Picture Show

Left arm - Same as Peter Kriss's (from KISS)
Left thigh - vampire woman in a cemetery
Right thigh - punk woman holding a piercing thing
Left shin - 1st half Kiss tattoo (Ace and Paul)
Left shin - other half of Kiss tattoo (Peter and Gene)
Back - Winged woman in boots wearing a mask
Chest - woman wearing a headpiece
Wrist - Michael Myers tattoo (rune)

He also has:
Neck - a vampire bite
Left shoulder - Moon and sun type Pagan symbols