A Station Eight Fan Web Site
Brooklyn's mate is Katana, a gargoyle from Ishimura. He meets her in "TimeDancer" when he appears in Feudal Japan. For more details, look under FAQ Section XXVIII, "TimeDancer."
His wings are pierced.
GargWiki.net has answers for all your Gargoyles questions.
Includes episode commentaries by co-creator Greg Weisman, interviews with the cast, and a documentary on the fan convention.