Quotes: By the Power of Grayskull!

Fabulous secret powers were revealed to me the day I held aloft my magic sword and said: 'By the power of Grayskull! I HAVE THE POWAAAAAAAAAAAAAAAAAAAAAH!!!!!!!!'
He-Man

The Question: Shazam! Isis! Black Adam!
Renee Montoya: What the hell are you yelling for?
The Question: Seeing if it's contagious.
52

"Another thing about shapeshifting is that you have to have a cool trademark sound effect that happens every time you change forms."
Strong Bad, Shapeshifter.

Prince Adam: Fabulous secret powers were revealed to me one day, when I held aloft my magic sword and said "BY THE POWER OF GREY SKULL!"
The Nostalgia Critic: I guess he was just going through that "holding aloft his magic sword and saying 'BY THE POWER OF GREY SKULL'" phase. But, luckily, they happened to contain superpowers.

Ichigo: Hat & Clogs! How do I put this gear on anyway!?
Urahara: Strap the headgear onto your forehead, Ichigo!
Ichigo: Like this?
Urahara: That's right, now yell as loud as you can! "AMAZING HEADBAND OF JUSTICE IN PLACE, AMAZING ARMOR OF JUSTICE PROTECT ME!" now! Go on, say it!
Bleach. Urahara is just Trolling. "Oh, what do you know, I can't believe he actually said it..."

Mumm-Ra: Ancient Spirits of Evil...transform this decayed form...into MUUUMM-RAAAAAAA! THE EVER! LIVING!

"I wish, I wish, with all my heart, to fly with dragons, in a land apart."
Emmy and Max, Dragon Tales

"Time to send a part of me through the air and through the sea! I'll give thee some happiness by sending a magical ... Ness Bless!"