Authors:

…a cheerful black shadow reared up behind him as he spoke, thundering a happy challenge to my Dark Passenger, which slid forward and bellowed back.

Jeff Lindsay (2005). “Dearly Devoted Dexter”, p.285, Vintage Crime/Black Lizard
…a cheerful black shadow reared up behind him as he spoke, thundering a happy challenge to my Dark Passenger, which slid forward and bellowed back.