Who said "Fear's just a feeling—don't let it stop you."?

This quote is attributed to Kenny McCormick.

Fear's just a feeling—don't let it stop you. - Kenny McCormick

"Fear's just a feeling—don't let it stop you."

Kenny McCormick Fear

"Mmph mmph mrmph!"

"I'm not fat, I'm just big boned"

"Dude, we're in third grade"

"This is so cool"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."