Undertale

The Undertale Universe characters are, Sans, Papyrus, Mettaton, Mettaton X, Flowey, who's very sassy, very evil, doesn't feel love, and is a talking flower. Asriel is the opposite of Flowey, who feels love. Toriel, who's very nice. Papyrus loves to make spaghetti sometimes, His song is called Nyeh-he-he, Sans' song is called "Megalovania". There's also Chara, who's pretty psycho, and Frisk. who's the opposite of Chara. They're both non-binary. And King Asgore, is Toriel's husband. And The Seven Souls exist. Good luck!