I mean, there's also:

And if you only count game Canon, he's responsible for likely around 10,000 military casualties from SA2's Prison Island incident alone, not to mention the likely deaths in Station Square's flooding, splitting the planet apart in Unleashed, and unleashing a synthetic Elder God in 06, resulting in the end of the world in at least one timeline

He's not harmless, Sonic's just so good at cleaning up the mess that you don't typically get time to appreciate the carnage he brings

Eggman and Neo Cortex were always cartoony villains that doesn't compare to Willy's legacy, He may look as cartoony as the other two but people don't realize the ridiculous level of pain and destruction he is responsible for. It's all silly fun until Zero breaks his capsule.