I like [name_m]Forest[/name_m] the best, by far, even with the concerns you listed. Seconding [name_m]Ranger[/name_m] and [name_m]Ridger[/name_m],
[name_f][/name_f]Suggestions:
[name_f][/name_f][name_m]Grey[/name_m]
[name_f][/name_f][name_m]Robin[/name_m]
[name_f][/name_f][name_m]Flint[/name_m]
[name_f][/name_f][name_m]Laurence[/name_m]
[name_f][/name_f][name_m]Martin[/name_m]
[name_f][/name_f][name_m]Ronan[/name_m]
[name_f][/name_f][name_m]Bridger[/name_m]
[name_f][/name_f][name_m]Jett[/name_m]