>>718188297
Kirby and Sonic are perfect examples of contrast in character design. Sonic is a cool character with cute elements to him. Kirby is a cute character with cool elements to him. It's a yin-yang thing. That little bit that seems out of place gives them depth and wider appeal.
And before I get people going "Hurr durr, American Kirby." Kirby has had expressive eyebrows since the first game. To say nothing of him being a "Jolly Fellow" in Superstar.