Who said "I'm stronger now because of everyone who believed in me."?

This quote is attributed to Billy Batson.

I'm stronger now because of everyone who believed in me. - Billy Batson

"I'm stronger now because of everyone who believed in me."

Billy Batson Strength

"Shazam!"

"I'm just a kid who got struck by lightning and can turn into an adult superhero. How cool is that?"

"With great power comes great responsibility."

"Sometimes the greatest strength comes from believing in yourself."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."