Bossroach appeared in 2009 TV series called Kamen Rider Decade. Bossroach (ボスローチ Bosurōchi) is one of the Roach enforcers who watch over the human race, whom he sees to be inferior. Bossroach resembles the Caucasus Undead. He controls a small portion of Darkroaches as his personal soldiers. Bossroach is then destroyed by Decade Complete Form using the Kiva Emperor Final Kamen Ride.