Wil is a secondary character in Fire Emblem and makes minor appearences in the DLC and SpotPass content in Fire Emblem: Awakening.
Wil is a young village boy, who joins up with Lyn to defend his village from bandits. After the two get along, Wil decides to join the group, coining the name Lyndis's Legion to refer to the group of friends. Wil remains in Caelin after Lyn's Mode, and rejoins with her after lifting the seige at Caelin in Eliwood and Hector's Modes.