[name_m]Barrett[/name_m] nn [name_m]Bear[/name_m] is a great choice!
Other options:
[name_m]Peregrine[/name_m] (Grin or Perry)
[name_m]Kestrel[/name_m] (Kes)
[name_m]Bernard[/name_m] (Bear)
[name_m]Renard[/name_m] (Fox)
[name_m]Fennec[/name_m] (Fen)
[name_m]Hawkins[/name_m] (Hawk)
[name_m]Hartley[/name_m] (Hart)
[name_m]Jasper[/name_m] (Jazz)
[name_f]Skyler[/name_f] (Sky)
[name_m]Walden[/name_m] (Wally)
[name_m]Willoughby[/name_m] (Will)
[name_m]Ashby[/name_m] (Ash)