Prompt: Image of a brain should be personified, portraying curiosity and doubt, and holding a question mark in a playful way. Make a whimsical, cartoonish brain with a skeptical expression, inspired by the artistic style of Albert Uderzo, the illustrator of Asterix. Emphasize humorous details in facial expression and incorporate elements reminiscent of Uderzo's lively, dynamic style. Use bright, cheerful colors to enhance the cartoon vibe.