My research reveals he started out as station mascot for a popular Japanese TV network and has kind of spring boarded into other things from there including ads for the shopping variety store, Target.
Domo has his own web site called Domonation where you can learn more about him and his friends, Mr Usaji (Grey Rabbit), Maya and her son Mario (the two bats), Tassanna (yellow 17 year old female weasel) and others.
The Domonation site has partnered with GoAnimate to create a section where you can create your own animations, using the GoAnimate Application, called Domo Animate. It's completely separate from GoAnimate's main site but works exactly the same (except that you can't upload your own custom props, backgrounds or sounds).
I was recently invited by GoAnimate staff to join the site and contribute to some already great…