Sebastian Night sent this in: The tattoo on his forearm may mean that in China, but it’s not why he got it. The tattoo, matches the ones the character Storm Shadow and Snake Eyes have in the G I Joe comic Book. It’s the marking of the Arishikage Clan where they both trained in the martial arts together after Vietnam.
Jas N Smith sent this in: That tattoo is actually a reference to Storm Shadow and Snake-eye’s ninja clan. It relates to the giant cobra logo on his shoulder. Oh, and the giant blue and red “ying-yang” on his shoulder is a Pepsi logo.