In Japan many local businesses and delivery people, mums on bikes and so on have a "tiger mask" eyes sticker on their vehicle or side of their shop for just this reason. He's a well known crime fighting character.. And it's very distinctive. It also carries what I assume is his catch phrase - "I won't let crime pass me by"

http://blogimg.goo.ne.jp/user_image/06/11/9f4a169cfc44d712c8...