Who said "That's really swell of you!"?

This quote is attributed to Irwin.

That's really swell of you! - Irwin

"That's really swell of you!"

Irwin Gratitude

"Nergal's my best friend!"

"I'm a little Jewish boy with a big heart!"

"Gee, that's swell!"

"I love my mommy and daddy!"

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"