Alexa Lexington is a geeky robot creator, and is also Dr. F's assistant who helped build T.O.B.O.R.. She appears in MySims Galaxy, MySims Islands, MySims: The Adventure of Orange Yoda, MySims Fusion, MySims: Build Your Life!, MySims Agents: Morcubus Returns!!, MySims Agents 3, MySims Islanders, MySims Action, MySims Invasion, MySims Agents: Crown's Curse and MySims: The Tales of Darra.