[OH MAN YES THIS IS THE BEST DAY OF HER LIFE. Undyne proceeds to immediately give the giant monster scritches behind the gills and under the chin, making happy little fish noises of her own at it.]

Who's the most badass monster in the sea? You are! Yes you are! [PET PET PET] You got a name, cutie? Can you understand me? Because if you don't, I can give you one!