The Cooler promo by writer/storyboard artist Andy Ristaino
kingofooo.tumblr.com/post/104384912699/
empartridge: winter lumps Marceline and Schwabl by writer/storyboard
The Cooler concept drawings by writer/storyboard artist Andy
kingofooo.tumblr.com/post/104999180049/
Young Marceline by writer/storyboard artist Hanna K hannakdraws: