Otakon is an annual three-day anime convention held during July/August. From 1999 to 2016, it took place at the Baltimore Convention Center in Baltimore, Maryland's Inner Harbor district; in 2017, it moved to the Walter E. Washington Convention Center in Washington, D.C. The convention focuses on East Asian popular culture and its fandom. The name is a portmanteau derived from convention and the Japanese word otaku.

Takanori Nishikawa is a Japanese musician, singer, songwriter, record producer, actor, voice actor, radio personality, and businessman. He performs under the stage name TNNK, stemming from the famous 1980s pop electronic band TM Network. Despite most of his songs being written by Akio Inoue and composed/arranged by Daisuke Asakura, T.M.Revolution is considered Nishikawa's solo project. Nishikawa is also known for contributions of ending and opening themes to many notable anime and game series.