3rd Grade Female Aardvark (Number 12)

3rd Grade Female Aardvark (Number 12) is an unnamed Mighty Mountain student who made her debut in the episode "Baseball Blues", which is the only time which she has appeared. She did not speak at all during this episode. She was seen pitching for the Mighty Mountain Mountaineers against the Grebelings in Little League Baseball.

Physical appearance
3rd Grade Female Aardvark (Number 12) is an aardvark with a light brown complexion. She has long chocolate-brown hair, which she wears in a ponytail with a light yellow barette. She has only been seen wearing her Mountaineers baseball uniform.