Yes, absolutely! Badly fitting wigs make any character look better. Of course the badly fitting hair doesn't have to be a wig...in fact, it's better if it's not. It can be the character's natural hair that just doesn't sit quite right on the head.
Even live action comedic actors (above) would benefit from wig-like hair. If you're Betty Boop or Cary Grant then the well-groomed wigless look is great, but really, how many people does that apply to? For most comedians real hair needs to have a life of its own. It should be willful and should require constant adjustment.
There's more to say about cartoon hair, so I'll return to the subject again. Right now I want to announce that Steve Worth has a new animation site called "Animation Resources." Steve was the former webmaster of the ASIFA-Hollywood Animation Archive, one of my favorite animation sites. The last time I looked the site was still up but it appeared to be inactive, and now Steve has taken up residence at this new address. There's lots and lots of valuable material there, with new articles being added all the time. Check it out!
http://animationresources.org/
Be there or be square!