HeroMachine - Create your own super-hero, sci-fi, or fantasy character sketch
Ouch! Illustrations by Icons8 - Professional, perfectly matching, and customizable illustrations for any designs
Pony Creator - Make My Little Pony characters
Control Illustrations - 108 free flat illustrations with customizable characters
Avatar Maker - Create your own avatar online
Humaaans - Mix-&-match illustrations of humans with a design library.