Xbooru - 1boy 2020s 2023 2d 2d (artwork) anthro anthro only asgore dreemurr beard boss monster briefs caprine chubby chubby male digital media (artwork) dilf furry furry only goat grey background hand behind head horns looking down male male anthro male only mammal professor fluff simple background solid color background solo anthro solo male standing tail tail tuft topless topless anthro topless male undertale undertale (series) underwear underwear only video game character video game franchise video games white briefs white fur white underwear yellow hair