sybren post_transformation transformation dog cat temmie undertale deltarune striped clothing hoodie sleeves tail paws cardboard box canine feline monster wink closed_eye spiral hair tufts marker dialouge nervous sweat tf small wall text nose mouth temmiefanart temmieundertale undertaleartist undertaleart undertalefandom undertaleundeltarune female non_binary u_pathoslug c_artwork_digital t_transformation s_canine_other