This from the Arizona Republic: Police discover man fighting with self
Officers were dispatched shortly after 9:30 p.m. after it was reported that a male and female were breaking things inside an apartment in the 300 block of East Fifth Avenue near Broadway Road and Mesa Drive.
When police arrived they discovered a 21-year-old man changing the pitch of his voice to act out both sides of the fighting couple.
It took me about two minutes to remember what this reminded me of. The late, great Graham Chapman: