Board Thread:Wiki Discussions/@comment-3238846-20140422105553/@comment-732150-20140427180343

Naruto's situation is the exact same as Roshi's. Roshi's use of Lava Release from day one was attributed to Son, using Son's ability. For all we know Roshi has no fire or earth chakra on his own, yet he is listed as Fire and Earth Release user as well.