Who said "Truth may be hard to speak, but it's always worth it."?

This quote is attributed to Underdog.

Truth may be hard to speak, but it's always worth it. - Underdog

"Truth may be hard to speak, but it's always worth it."

Underdog Truth

"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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."