Who said "When I was a young warthog, when he was a young warthog"?

This quote is attributed to Pumbaa.

When I was a young warthog, when he was a young warthog - Pumbaa

"When I was a young warthog, when he was a young warthog"

Pumbaa Time

"Hakuna Matata - it means no worries for the rest of your days"

"It's our problem-free philosophy"

"Put your behind in your past"

"No one likes to admit they're a pig"

"Time waits for no one."

"Time spent with loved ones is never wasted."

"I've been alive for a long time. Long enough to know that you can't trust anyone."

"The past always catches up with you."