* "The Brain" from Pinky and the Brain: This super-intelligent lab mouse is known for his giant glasses and his constant scheming to take over the world.
* "Dexter" from Dexter's Laboratory: This genius boy scientist has thick-rimmed glasses and a passion for inventions, often leading to hilarious and wacky situations.
* "Phineas" from Phineas and Ferb: While Phineas isn't always wearing glasses, his large spectacles are a recurring feature in his adventures, especially when he's focused on a new invention or project.
Which one were you thinking of? 😊