You can't tell, since this is only a VISUAL hybrid, but the beaver is playing rock, the duck is rapping, and the platypus is fearlessly playing rap-rock. With a keytar. Because it already makes enough sense.
Custom guitar maker Tate Chmielewski crafted this electric guitar using an old ammunition case. And if that isn't enough weapons-related miscellania for you, the volume knob is made from a shotgun shell.