Is Undertale Sans from Deltarune's World?

Is Sans from Undertale the same Sans as in Deltarune? This Deltarune theory has been floating around since 2018, and today I discuss its evidence, its holes

veele on X: If darkners can somehow ever live in the light world in Deltarune, Sans will prank call Spamton every day and Spamton will never understand what's happening / X

Spamality - Metal Designs by Draculabyte – draculabyte

What is the reason Toby Fox made Sans lazy and apathetic in Undertale, even though he is an adult monster like Toriel, Asgore, and Asriel? Is it just because he is a

Sans CONNECTS Deltarune to Undertale! (Deltarune Theories)

Sans origin, DeltaRune/Undertale theory (spiolers), Lake Valor

Kris dark world deltarune

More evidence that sans is from the world of Deltarune! : r/Undertale

Deltalogueunder AU: A Deltarune Dream World - About DLU - Wattpad

Incase it isn't obvious enough, Sans is trying to go back to the world of Deltarune. : r/Undertale

Killing him in the genocide run only freed him from his world. . . . #sans #sansundertale #undertale #deltarune #amongus #supersmashbros…