From Rolling Stone:
California rockers Dios, whose debut album of the same name was released in March, have changed their name to Dios Malos after a cease-and-desist order was issued by Ronnie James Dio. The singer, who since 1983 has fronted the band Dio, believed the similarity in names would cause confusion among audiences. "It's pretty retarded," Dios' bassist J.P. Cabellaro says. "It seemed like a joke at first." Unfortunately, Dio wasn't kidding. Despite claims from Dio fans that the band purposefully chose a name after the heavy-metal vocalist, Cabellaro says that was never the intent. "When we named our band we were thinking of God," he says. "[Dios] is 'God' in Spanish. That's what it means to hundreds of millions of people all over the world. It didn't really seem like there was going to be any point of confusion. We're up against rainbows and magic. " Dio had no comment by press time.
It is unbelievably overt to name your band "God" in Spanish. Dio must be acting as an agent of God who didn't want some crappy alt-rock band using his name. And if they really want to name their band "Bad God," it's "Dios Malo," not "Dios Malos." There's no "s."
My suggestion would have been "Grupo Malo."