Everyone thinks the colour thing is camouflage but they're mostly just letting you know how they feel.
Fun fact: Their tongue can shoot to full length — sometimes twice their body — in under a hundredth of a second.
Got dragged in front of actual US senators because someone thought ripping a spine out was a bit much.
Fun fact: Congressional hearings over its violence in 1993 led directly to the creation of the ESRB rating system.