Art by: goatboyalex

Source(s): https://goatboyalex.tumblr.com/post/182856997208/based-on-a-convo-between-undertalefan715-and-i, https://66.media.tumblr.com/9d2586b3c16e4fdcba42968867e2a353/tumblr_pn1ol6WujT1uj110o_1280.png