When you want to have some fun with Omochao, do the following and he will say the corresponding phrases. Note: Omochao never actually does what he says.

When picked up
"Hey! Stop it! Let me go!"
"Hey! Stop it!"
While in your hands
"Augh! Augh! Help me!"
"Please, Help Me!"
"Help! It's getting Worse!"
"If you don't stop it, I'm gonna tell the Principal on you!"
"If you don't put me down, i'll get mad! I'll go tell my mom on you!"
"My Energy is low. I need to be wound-up again"
"I understand. I promise i'll eat all my Carrots!"
"Hey, I'm on Your side, y'know! I can give you hints to help you!"
"*sigh* Whatever..."
"Now I', getting mad!"
"Hey! Why don't you go get yourself a Teddy Bear?"
When put down
"Stop It. What are you doing? You're making me mad!"
"*sigh* i was so scared. What gives?
"Thank you for holding me. But... you were kinda rough""Thanks for saving me! I was scared!"
When thrown
"Awaaah!"
"Stop it!"
"Bye Bye!"
"Help Me!"
When shot or thrown at enemy
"Huh? What happened? Who am I? Where am I?"
"Owwie! That Hurt! I'm mad at you. I'm not going to help you anymore! Hmph!"
"Ouch! Why are you being such a bully? I didn't do anything wrong!"