How can I come up with a good username on Twitter and Instagram?
You can always use a random name generator...http://www.behindthename.com/random/http://www.rinkworks.com/namegen/http://www.seventhsanctum.com/index-name.php
www.spinxo.com is another screen name generator worth trying
Try Generatorland.com. You can use their User Name Generator or build your own name generator. http://www.generatorland.com
One of my usernames is smart_swag. Because I am smart but instill got swag