Bruno Mars fans refer to themselves as Hooligans (someone might want to explain the meaning to them) in homage to the artist’s début album, ‘Doo-Wops & Hooligans’, and as a result, the word is splashed across the top of each branded headset. Now, his drummer E-Panda’s has launched the limited edition E-Panda Hooligan headphones with Razer, which feature his signature black-an...