Alphys - Takes on Sans role, she fight and argued with Sans was a ruler of the underground on Undyne role, and then he used his blaster to burn her left eye on her skin and blast her left arm, she attached her left arm to a bionic arm, until she was a psychopathic doctor to kill some children and cure some poison to it, before she's hungry and insane, she works at the hospital nor a laboratory.

Mettaton - Takes on Papyrus role, he was a Torturer against friends with Alphys, he's broken and psychopathic, after he will make some human meat and kills other humans who people of the underground who enjoys it, he works at the slaughterhouse.

Daniel was the Aliza's role of Robbie's.

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Alphys and Mettaton were inspired by Lorna and Lake from the Terrible Mouse.