Guerrero first started sporting this look when he was paired with 'Love Machine' Art Barr in 1992 ... the legendary Four Horsemen. With his WrestleMania 38 costume of choice, Dominik Mysterio ...

This connection, forged through years of shared triumphs and tribulations, cast a shadow over Mysterio's WrestleMania 38 appearance ... "Dom was watching a lot of Art Barr videos.