Joey Votto is taking his talents to Bikini Bottom -- the Cincinnati Reds star is lending his voice for a local kids' production of "The Spongebob Musical!!"
TMZ Sports has learned ... the 2010 MVP has teamed up with The Children's Theatre of Cincinnati for its rendition of the show based on the hit Nickelodeon series -- officially joining the cast as the iconic "French Narrator."
Of course, Votto is fluent in French after growing up in Toronto .