Travis Barker isn't just a tattoo devotee — he's also his own artist. The former Blink-182 drummer posted a video to his Instagram yesterday that shows him wielding a buzzing tattoo gun, inking the phrase, "You're so cool!" in all caps above a heart on his upper thigh.  More at www.CooperandAnthony.com, and watch us nightly at 7pm EST https://www.twitch.tv/cooperandanthony