Black Sabbath's former frontman RONNIE JAMES DIO has ordered a Californian band with a similar name to change their title.

The rock singer, who has fronted DIO since 1983, sent his lawyers after unknown group DIOS, informing them to change what they're called as it would confuse the public.

Dios singer JOEL MORALES says, "At first, it was funny and interesting and cute, (then) it got annoying.

Continue reading: Dio Attacks Californian Group Over Similar Name