Robohash - Generate unique images from any text.
DiceBear Avatars - Pixel-Art Avatar Generator and -Provider by Identifier/Hash/Seed in JavaScript for Browsers and...
face.co - face.co is a SVG Avatar Generator - Online Vector Avatars Generator for Your Site
Gravatar - Gravatar (an abbreviation for globally recognized avatar) is a service for providing...
South Park Avatar Creator - Create your own South Park alter-ego or make one of your family and friends!
Libravatar - Libravatar is a service which delivers your avatar to other websites.