Charlie Sheen's ex-wife Denise Richards made allegations that he's an animal abuser and now dog advocate Linda Hogan has stepped forward challenging the former Two and a Half Men star to a battle with her in the octagon, Breaking Celebrity News is reporting.

"I will gladly step in 2 an octagon cage and shove ur firebreathing fists where the sun doesn't shine!" Hogan posted on her Twitter account Monday afternoon.

Charlie Sheen Barks Back At Twitter Fan Over Dog Death Claim: 'Shut Your Evil Mucus-Hole'

"Bring it on DOG KILLER!"

According to reports, Richards and Sheen shared two pugs together, one of which she allegedly claimed died from malnutrition while in his care.

"We must bombard with Warlock Napalm, that traitor and loser [expletive] #DUH-neese POOR-ARD. A VILE KIDNAPPER AND NOW DOG THIEF. HATE."

Sheen tweeted in response to those that lashed out at him because of the report.