Who said "I never knew there was a place called Australia."?

This quote is attributed to Ralph Wiggum.

I never knew there was a place called Australia. - Ralph Wiggum

"I never knew there was a place called Australia."

Ralph Wiggum Knowledge

"I'm in danger."

"Me fail English? That's unpossible."

"Eat my shorts."

"Ay caramba!"

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."