I’ve heard of [name_m]Becker[/name_m], [name_m]Baxter[/name_m] is a bit of a stretch to me
[name_m]Benedict[/name_m] might work
Also could pair with a FN+MN = [name_m]Beck[/name_m] thing, [name_m]Bennett[/name_m] [name_m]Jack[/name_m], or [name_m]Ben[/name_m] [name_m]Luke[/name_m] maybe