I love [name_u]Kit[/name_u] and [name_u]Wren[/name_u] too 
Short, spunky nickname names often work well on both genders: I love [name_u]Nat[/name_u], [name_m]Sol[/name_m], [name_u]Cass[/name_u], [name_u]Jess[/name_u], [name_u]Joss[/name_u], [name_u]Jude[/name_u], [name_u]Bay[/name_u], [name_u]Rue[/name_u], [name_u]Dell[/name_u], [name_m]Pip[/name_m], [name_f]Rafa[/name_f], etc. for both boys and girls.