that's my

Phrase

 * 1) * 2015, "Lobster Claws", season 1, episode 7a of 
 * [Lobster Claws chooses to follow Ludo as a villain, instead of staying behind with Marco]
 * Marco: Don't do it, Lobster Claws! What about wanting to be good?
 * [Lobster Claws punches Marco]
 * Ludo: That's my monster.
 * 1) * 2016, "The Veracity Elasticity", season 10, episode 7 of 
 * Sheldon: While I'm gone, don't breathe on my pillow.
 * Amy: How about if I don't breathe at all?
 * Sheldon: That's my girl.
 * Sheldon: That's my girl.