Who said "I'm not afraid to stand alone."?

This quote is attributed to Dee Dee.

I'm not afraid to stand alone. - Dee Dee

"I'm not afraid to stand alone."

Dee Dee Courage

"Shut up and leave me alone!"

"I'm busy!"

"Get out of my laboratory!"

"You're so annoying!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."