Gang member tattoo ideas

When thinking of our trailer ideas we thought that it would make the trailer interesting if we used gang tattoos. This would be useful in our film because the hitman kills the gang member (Jerome) as then realises that he is part of a gang member because the hitman sees a tattoo on his arm, which is the symbol of the gang. We have researched some symbols on the internet and have found some examples of what we want our gang tattoo to look like: