Ramirez began his professional wrestling career in 1997 as the enmascarado (masked wrestler) "Highlander" working primarily in and around the Tijuana, Baja California area.
[7] Zombie Clown's mask features rotting yellow teeth, skin blotches and a small blue tophat.
[2] The team made their debut on December 14, 2007 during a show in Chilpancingo, Guerrero where they defeated Real Fuerza Aérea (Aero Star, Super Fly and Pegasso).
[8] Los Psycho Circus was physically larger than most of the AAA wrestlers and soon established themselves as a dominant force in the ring as they began to amass an exagarated winning streak.
[9] They wrestled at Triplemania XVII, defeating Real Fuerza Aérea (Laredo Kid, Super Fly and Aero Star) in a sub-three minute match which Los Psycho Circus dominated.
[11] Los Psycho Circus kept their winning streak alive as they defeated La Yakuza (El Oriental, Kenzo Suzuki and Sugi San) in the opening match of the 2009 Verano de Escandalo.
[16] The feud continued at Triplemanía XIX, where Damián 666, Halloween and X-Fly defeated Los Psycho Circus in a tournament final to become the first ever AAA World Trios Champions.
[25] Monster Clown and the rest of Los Psycho Circus are all playable characters in the video game Lucha Libre AAA: Héroes del Ring, which was released at the end of 2010.