Nashawn Breedlove (left), with Eminem in the movie "8 Mile" (Credit: Eli Reed/Universal Studios/Alamy Stock Photo)
(CNN) -- Rapper Nashawn Breedlove, best known for appearing in a rap battle against Eminem in the 2002 film "8 Mile," has died at age 46.
His mother, Patricia Breedlove, confirmed his death in a Facebook post Tuesday.
"It is with a heavy heart that I share the news of the passing of my beloved son Nashawn Breedlove. Many of you knew him by his alias 'Lotto, OX,' a name that echoed his resilience and determination," he wrote.
"Nashawn was a rapper, singer, songwriter and actor. No one could deny his talent," the post continues.
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Breedlove said her son was "an extraordinary man" whose "departure from this world has left an immense void in my life, one that words cannot fully express."
It's unclear how Breedlove died, but his death drew tributes from other music industry figures.
"RIP or one of the few emcee's that has surpassed Eminem... 8 Mile lotto, whose friends lovingly called him OX," rapper Mickey Factz wrote in an Instagram post, referring to the scene in the film where he competes in a rap battle against Eminem's character.
"You will be missed for your tenacity and aggressiveness," he added.