"Ah, Yeah! This is happenin'!"
— Sonic the Hedgehog, Sonic Adventure
"You'll pay for this, Sonic!!"
— Dr. Ivo "Eggman" Robotnik, Sonic Rush
"I hate that hedgehog!"
— Dr. Robotnik, Adventures of Sonic the Hedgehog
"C'mon! Step it up!"
— Sonic the Hedgehog, Super Smash Bros. Brawl
"Not that irritating hedgehog again!"
— Dr. Eggman, Sonic the Hedgehog (2006)
"I despise that hedgehog, Cluck. Despise him with all my metallic heart."
— Dr. Robotnik, Sonic SATAM
"No copyright law in the universe is going to stop me."
— Sonic the Hedgehog, Sonic Colors
"Don't just sit there and waste your precious time. When you want to do something, do it right away. Do it when you can. It's the only way to live a life without regrets."
— Japanese tagline, Sonic the Hedgehog
"To live a life of power, you must have faith that what you believe is right, even if others tell you you're wrong. The first thing you must do to live a life of power is to find courage. You must be ready to reach beyond the boundaries of Time itself. And to do that, all you need is the will to take that first step...."
— Japanese tagline, Sonic the Hedgehog CD
"Sonic races through the green fields. The sun races through a blue sky filled with white clouds. The ways of his heart are much like the sun. Sonic runs and rests; the sun rises and sets. Don't give up on the sun. Don't make the sun laugh at you."
— Japanese tagline, Sonic and Knuckles
Eggman: Gah! Not nearly enough aliens!
Orbot: Want us to get more?
Eggman: No; I want a cheeseburger and a shake!
Cubot: That'll be easier! Cheeseburgers don't run as fast as them alien varmints!
Eggman: Idiot. GET ME MORE ALIENS!
'' "Hey, Sonic! Enjoy your future - it's gonna be great!"
— Sonic, to his past self, Sonic Generations
"And SONIC continues to spin towards the future. Nothing will stop him!"
— Last words in retrospective, Sonic Jam