they began to amass an exagarated winning streak. Los Psycho Circus developed a rivalry with The Dark Family, teaming with Chessman to even the sides between the two teams. On January 18, 2009 Los Psycho Circus and Chessman defeated The Dark Family (Dark Cuervo, Dark Escoria, Dark Espiritu and Dark Ozz) to win the Mexican National Atómicos Championship. The team's run with the Atómicos titles ended after just 8 days when AAA Commissioner Vampiro stripped Chessman and Los Psycho Circus of the titles because they had attacked him during a show the night before. 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. In August, 2009 it was announced the Zombie Clown's name had been changed to Monster Clown and Killer Clown would be known as "Murder Clown" from that point forwards due to copyright problems with the original names. 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. In the winter of 2009 Los Psycho Circus began siding with Cibernético in his feud with Konnan and La Legión Extranjera teaming with him in eight-man matches against La Legión, this was the first time that Los Psycho Circus had teamed up with a tecnico (good guy). At the 2010 Rey de Reyes event Los Psycho Circus served as Lumberjacks during a Lumberjack match where they kept La Legión from interfering in the match, allowing Cibernético to pin Konnan. During the summer of 2010 it was announced that Los Psycho Circus ' win streak had reached 600 victories. On October 31, 2010, Los Psycho Circus formed a new alliance named Potencia Mundial (World Power) with AAA Mega Champion Dr. Wagner, Jr. On December 5, 2010, at Guerra de Titanes Los Psycho Circus' long undefeated streak came to an end, when Los Perros del Mal (Damián 666, Halloween and X-Fly) handed them their first ever loss in a steel cage weapons match, thanks to an interference from the leader of Los Perros, El Hijo del Perro Aguayo. On April 24, 2011, Los Psycho Circus defeated Los Maniacos (Joe Líder, Silver King and Último Gladiador), Los Oficiales (Oficial 911, Oficial AK-47 and Oficial Fierro) and Los Perros del Mal (Bestia 666, Damián 666 and X-Fly)