Who said "Courage isn't the absence of fear; it's acting despite it."?

This quote is attributed to Underdog.

Courage isn't the absence of fear; it's acting despite it. - Underdog

"Courage isn't the absence of fear; it's acting despite it."

Underdog Courage

"There's no need to fear, Underdog is here!"

"When criminals in this city play, to steal the night and rob the day, they're out to make a dreadful mess, then Underdog is on the case."

"I'm just a pup who loves to help those in need."

"Even the smallest among us can make a big difference."

"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."