Billy Walker is a pre-made young adult townie in The Sims 3 for Nintendo 3DS. He has the Charismatic, Handy, and Neat traits. Billy has brown hair and hazel eyes, wears a hat and has a mustache. Billy is employed in the Politics career. He can be made playable by marrying him or asking him to move in.
Not much is known about his early life because he does not appear in any other Sims games.