[1] As of 2001 he was involved in an exhibit called Prince Tongha with Hideyuki Tanaka(Japanese graphic designer) in New York City.

[3] In March 2019, Taki was arrested on suspicion of cocaine use and his latest video game, Judgment, was withdrawn from sale by the publisher, Sega.

[16] After he admitted to using cocaine, the Tokyo District court sentenced him to eighteen months in prison, suspended for three years.

[17] His voice acting roles were also replaced such as Olaf from Frozen.

[18][19] Home video releases of Frozen were removed in Japan.