This is likely either 1 unintentional or 2 intentional and has already been covered before, but I find the idea of my dad if all people figuring out something about Undertale than in 11 years no one has ever thought of really cool so I wanna share it in the event it hasn’t been covered
So in a book that’s like not part of the Bible but was made to like teach people things about the Bible or smth(all this information is js stuff I remember him telling me yesterday) there’s an angel named Azazel, apparently he’s like a bad angel or smth idk, and the name is similar to Asriel, and the Delta Rune prophecy in Undertale has “the one who’s seen the surface world” that will “make the underground go empty,” being Asriel on the Pacifist route, as he’s the one that uses the SOULs to break the barrier, making him the Angel, and Azazel being apparently evil or smth may tie in to Asriel becoming Flowey
Something that I feel is really interesting if this is intentional is that the Asriel name has so many connections to other names, with all of them able to sound like natural names