Allyn Thomason is one of the pre-made NPC Garden Club members from Weather, the Secret sub-neighborhood that ships with The Sims 2: Seasons. She appears in all neighborhoods, once the Seasons expansion pack has been installed. Allyn can be made playable by befriending and asking her to move in, or by marrying her. She has short blonde hair, light blue eyes, medium skin, and eye liner, eye shadow, lipstick, and blush makeup.
Allyn wears a purple top, and a beige skirt. She is mostly interested in Environment, Culture, Money, Politics, Travel, and Crime. Allyn has the same facial structure as Jessica Ebadi from Pleasantview. Even though she has blonde hair, her SimDNA in SimPE confirms that her natural hair color is red. Like other garden club members, Allyn will sometimes appear at Community lots.