Kim, Jim, and Tim's mother is not only a neurosurgeon, usually referred to as a brain surgeon in the series, but also a caring mother to Kim, and seems to be more understanding toward her daughter. In season four her name is revealed to be Ann Possible by her brother-in-law Slim Possible in "Graduation Part 1". It is also revealed in season four that she was a graduate of the University of Upperton. In the episode "Mother's Day" she goes on a mission with Kim and saves her from being swallowed by a glob of green goo by using her Kimmunicator to send high-frequency pulses to attack it.