Connections
Both are fanmade versions of video game bosses that eat their enemies for sustenance
Both are physically different from their main counterparts due to hunger
Both are surprisingly nice to you if you aren't on the menu
Both alter their personalities and combat to be far more dangerous through their immense hunger
Battle Name: "A Horrible Feast To Remember"
Horror!Sans is allowed to use his "Hunger State", and Starved can use his Eggmobile, Badniks, and his Metal Sonic, known as Furnace.