Man with a Mission, stylized in all caps and sometimes shortened as MWAM, is a Japanese rock band which was formed in Shibuya, Tokyo, Japan, in 2010. The band currently consists of five band members, with stage names of Tokyo Tanaka (vocals, leader), Jean-Ken Johnny (guitar, vocals, rap), Kamikaze Boy (bass guitar, backing vocals), DJ Santa Monica (DJ, sampling) and Spear Rib (drums). Their distinguishing feature is that all of the members wear differently designed wolf masks during both their concerts and their music videos. Many of their singles have been used as theme songs for a variety of anime, live-action movies, and video games.

Source: Wikipedia (https://en.wikipedia.org/wiki/Man_with_a_Mission)