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"Ice Cube Knocked Out By 'Franklin' The Gangbanger In Grand Theft Auto V, His Real Name Is Shawn Fonteno!!! -- Video Inside ---- Back before he voiced Franklin the gangbanger in "Grand Theft Auto V," Shawn Fonteno was a rapper who allegedly KNOCKED OUT Ice Cube in a legendary street fight ... TMZ has learned. Fonteno used to rap under the name Solo -- and back in the day, he appeared in the documentary "Beef 2" describing a fight with Cube, in which he claims he KO'd the rapper over a business dispute and stole his chain" - TMZ