Morikubo Showtaro (森久保 祥太郎 Morikubo Shoutarou, born February 25, 1974) is a Japanese voice actor (seiyuu) who has voiced characters in anime (for example X in Rockman X5~7, Nara Shikamaru in Naruto and Akaya Kirihara in Prince of Tennis), drama CDs and video games. According to the Anime News Network and as of July 8, 2006, Morikubo has about 55 voice role credits under his name. He is currently affiliated with I'm Enterprise.

He was born in Hachioji city, metropolitan Tokyo. He has released song singles, a CD album and a concert DVD.

He has his own band, Mosquito Milk, that performed the themes "Monkey" and "Mizu no Naka" as the opening and ending themes to the original Japanese version of Rockman X5. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.