Mokar

　＼从/
　 ∧＿∧　　／￣￣￣￣￣￣￣
　（；ＴДＴ）＜You too!?
　（ つ　 つ　 ＼＿＿＿＿＿＿＿
　 〈　〈＼ ＼
　 （＿_）（＿_）

Mokar (モカー) is a sad derivative of Mona that feels like it is always getting picked on. Their catchphrase, "オマエモカー！？"/"Omae mokar!?", translates to "You too!?"

Derivatives:

Nokar

　　　＼　|　／
　　　― Θ ―
　　　／　°＼
　 ∧＿∧　　／￣￣￣￣￣￣￣
　（　・∀・）＜ 　That's right!
　（ つ　 つ　 ＼＿＿＿＿＿＿＿
　 〈　〈＼ ＼
　 （＿_）（＿_）

Nokar (ノカー) is Mokar's opposite, who is always positive. They seem to be based off of Moralar.

Sources:

• 2ch AA Illustration Project
• 2ch AA Illustration Project (Nokar)