Who said "Don't be afraid to be yourself."?

This quote is attributed to Pumbaa.

Don't be afraid to be yourself. - Pumbaa

"Don't be afraid to be yourself."

Pumbaa

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

"It's our problem-free philosophy"

"Put your behind in your past"

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