Lindsay Kellerman (10 November, 2019-2219) is a member of the S.M.S.B. Ever since her registration, she has joined Baby Intelligence and the latter's other pupils on several missions with incredible loyalty. Lindsay fought in the Second and Third NoHead Wars, and participated in the first half of the American Purge. During this time, she also made friends with Telekinibabe, Red X, and Andromeda. She also fought in the Battle of Transylvania, and in the 2050s, she helped prevent the theft of Charity Hirz's hologram pit. In the future, after Master Intelligence was murdered by the Dark Flame, Kellerman became the new leader of the S.M.S.B. She died in the 22nd century due to old age.