Why Is a Super Mario Chain Chomp in Link's Awakening?

In the pantheon of Zelda games, Link’s Awakening is sort of an obscure one. Seeing as it’s an obtuse handheld-only game from 1993 that was never ported to consoles with a fever dream of a plot, many modern Zelda fans missed it 25 years ago when it was first a thing. That’s why many of them were very surprised to see that bouncing around the trailer for the recently revealed Nintendo Switch remake of this classic game was a Chain Chomp straight out of Super Mario Bros.
Yes, a Ch