In the Undertale AU, Fresh!Sans is a Sans variant that dresses in epic 80s multi-color clothes. Fresh is actually a parasitic monster that has taken control of Sans, causing him to lack emotion and be unable to love. If you’re going with the latex mask, best to make your own large YOLO sunglasses. The pre-made YOLO sunglasses listed above work best if you’re going to use face-paint for Sans’s head. In this case, paint in the YOLO letters to get the best match. Other AU Sans include Error!Sans, Ink!Sans, Underswap!Sans, and Underfell!Sans.

In the Undertale AU, Error Sans is the destroyer of AUs, in opposition to Ink Sans. He is insane, bent on destroying everything he considers a glitch in the multiverse, using blue string to tie up and shatter souls.

In the Undertale AU, Ink Sans is a Sans who lives off the creativity of artists. He’s capable of drawing everything and bringing it to life, a skill he uses to help artists create new AUs.

In a certain Undertale AU, Underswap, where two character’s identities are swapped. Underswap Sans has the personality of Undertale’s Papyrus. Sans, known as “Blueberry”, is the younger brother of Papyrus and a major character in Underswap. He is agreed, by many, to be adorably cute.

Underfell Sans is special kind of special, a murder-y kind. He enjoys long walks on the beach and inflicting pain on the human. Being pushed around by his brother Papyrus, this is a given.

In a certain Undertale AU, Underswap, where two character’s identities are swapped. Underswap Papyrus has the personality of Undertale’s Sans, but the look of Papyrus. He’s just pretty cool.