3 adjectives to describe wolverine

"At this the conceited wolverine began to laugh.

But the rock did not reply to this and the bold wolverine came close up to the rock, struck it with his paw, and said: "'Come, now, see if you can catch me!'

Then a little movement, some thrust forward of the head, some nervous, rapid shifting of the hands or feet, some unconscious poise of the shoulders, brought the scene flashing before herthe white snow, the still forest, the little square pen trap, the wolverine, desperate but cool, thrusting its blunt nose quickly here and there in baffled hope of an orifice of escape.

3 adjectives to describe  wolverine