I look at the TFTC playfield art and always wonder if there we're some DE subtleties purposely added to it. (Even though DE Guns N' Roses came out after TFTC)
Hulk Hogan (DE Royal Rumble)
Doc Brown (DE BTTF)
T-Rex (DE Jurassic Park)
Slash & Adler (DE Guns N' Roses)