Xbooru - 2020s 2022 animated skeleton annoying dog (undertale) biting clothes black shorts blank background blue blush blue hoodie blue jacket blush canid canine clothed coppertone dog feral feral on male gloves grin hooded jacket hoodie jacket looking at viewer male male only monster mtam02 pants down pants pull pastel background pink slippers sans sans (undertale) shorts shorts pull simple background skeleton slippers smiling at viewer socks sweat sweatdrop toby fox twitter username undead undertale undertale (series) waving waving at viewer waving hand white dog white socks