Royal Pain is a song that appeared in Shrek the Third. It is sung by Eels.
Shrek • Donkey • Princess Fiona • Puss in Boots Other Characters: Dragon • Farkle, Fergus and Felicia • Kitty Softpaws • Perrito • Gingerbread Man • Magic Mirror • Pinocchio • Three Little Pigs • Three Blind Mice • Big Bad Wolf • Doris • Mabel • King Harold • Queen Lillian • King Arthur • Merlin • Mama Luna • Doctor • Goldilocks • Papa Bear • Mama Bear • Baby Bear • Talking Cricket • Snow White • Cinderella • Sleeping Beauty Villains: Lord Farquaad • Fairy Godmother • Prince Charming • Captain Hook • Evil Queen • Rapunzel • Rumpelstiltskin • Jack & Jill • "Big" Jack Horner • Death • Serpent Sisters • Captain of Guards