Ian Sinclair is an American voice actor and voice director. He provides voices for English versions of Japanese anime series and video games. Some of his major roles include Toraji Ishida in Bamboo Blade; Dallas Genoard in Baccano!; Douglas Rosenberg in El Cazador de la Bruja; Takeru Oyama in Maken-ki!; Brook in the Funimation dub of One Piece; Juzo Sakakura in the Danganronpa series; Whis in Dragon Ball Super, and the title characters in Toriko and Space Dandy. In addition he performs the voice in video games the likes of Battleborn, Zaveid in Tales of Zestiria, Baron Flynt in Borderlands, Professor Nakayama and Jimbo Hodunk in Borderlands 2, and Berkut in Fire Emblem Echoes: Shadows of Valentia. Ian was in the English Dub cast as Yasuda in Shin Godzilla.

Maken-ki! is a Japanese manga series by Hiromitsu Takeda. It was published by Fujimi Shobo's magazine Dragon Age Pure, and later Monthly Dragon Age, after the former magazine ceased publishing. It has been adapted into an anime series by AIC that aired on Tokyo MX in the fall of 2011. It is licensed in North America by Crunchyroll under the title Maken-ki! Battling Venus. Two OVA episodes animated by AIC and Xebec were released at February 29, 2012 and September 25, 2013. They were bundled with the eighth and eleventh volumes of the manga respectively. A second season, titled Maken-ki! Two , was animated by Xebec and aired in 2014.