They cared for Frisk as a sibling, and trusted them. His Final Form is similar to Asriel From Undertale,but his spikes are too big,his teeth is longer and he has wings similar to Asriel'sīefore their death, Monster Kid was a docile, adventurous, and loving child. They also wear a necklace that is similar to the Heart Locket. Their robe looks very similar to the one Asgore wears in Underswap. They wear a long, dark robe with the Delta Rune on the front, with a large collar, and shoulder pads. Their eyes become black, they have marks under their eyes, and they seem to have grown an extra spike on their head. UNDERSWAP (or TSUNDERSWAP) by Team Switched is a fangame being developed for the teams interpretation of the popular role-swap AU, Underswap.It is being developed in GameMaker: Studio, and has been in development since March 2016. In this form, Monster Kid goes under some changes. It was cancelled though people created many takes of the AU like TSUnderswap, CIUnderswap, and TTUnderswap (our take). They also have two marks on their eyes, one being larger than the other one. This is a AU of undertale that was created back in 2016.
This interpretation of Underswap is unique in which the original personalities of each character are kept intact and expanded instead of being swapped. It is being developed in GameMaker: Studio, and has been in development since March 2016. Hence never mentioning them or know them. UNDERSWAP (or TSUNDERSWAP) by Team Switched is a fangame being developed for the team's interpretation of the popular role-swap AU, Underswap. Monster Kid is a yellow, reptilian monster that has no arms, two spikes on their head, and a tail. Asriel is possibly born after the deaths of his two adopted siblings (Monster Kid and Frisk).