Stand-up comic "Last Comic Standing" runner-up, also known from his Netflix specials, was 45-years-old.

May's manager, Judie Marmel, confirmed the comedian's death to The Hollywood Reporter, saying he died of cardiac arrest after battling pneumonia. His body was found at a private residence in Las Vegas. May was in the middle of a nationwide tour. He had canceled some gigs in the past month due to his pneumonia, but TMZ said he still kept performing some shows, including one Thursday night at Harrah's.

May's career flourished after he appeared on "Last Comic Standing" in 2003 and finished second, after Dat Phan. He went on to appear on "The Tonight Show," had a couple of stand-up specials on Neflix -- "Ralphie May: Unruly" and "Ralphie May: Imperfectly Yours" -- voiced a character on "Squidbillies," and was in an episode of "Inside Amy Schumer."

Stars have been reacting on social media to May's death:

According to THR, he's survived by his wife, Lahna Turner, and children April June May and August James May.

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