Originally Posted by Coldhardsteel
Just an honest question. We don't say 'rocker bears' or 'fusion lemurs'.
It doesn't have to be an animal reference, nick names are often given to music styles players, ie: "metal heads", "soap singers"...
Cat is also a nick name used to describe drummers, in many interviews, you can hear such and such drummer saying "that cat can really play" while talking about another fellow drummer.