Answer:
I'm a wild cat with spots that can run very fast. What am I?
My first is in ocean but never in sea. My second's in wasp but never in bee. My third is in glider and also in flight. My whole is a creature that comes out at night.
The ones in the sea are prickly, but the ones on the street might pickpocket you.
It's black and every time it speaks it says its name.
It is probably the most laidΒ-back member of the animal kingdom.
What is so fragile that saying its name breaks it?