Kim Possible is the titular protagonist of Disney's animated television series of the same name. Kim is a high school student and freelance troubleshooter. She is unusual in this field of work due to the fact that she doesn't use a secret identity.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...