As the oldest next to the lethargic Sad Sack, she sees herself as the leader of the group and is often very bossy. She is so named because she accidentally had paint spilt on her hair and clothing. Dotty's main catchphrase is: "Good thinking!"
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...