Royal Guard

The  are a group of monsters dedicated to defending the Underground, protecting Asgore, and searching for a human to acquire the last of the 7 SOULs.

Overview
They are supposedly an 'elite' group of guards, but many of their members seem laughably incompetent. The leader of the  (Undyne) decides who becomes a member. Papyrus' dream is to become a famous member of the, but despite his surprisingly adept combat ability, Undyne secretly will not let him join as he is too kind and friendly, believing these attributes may get himself killed in battle.

Trivia

 * Some members of the at Grillby's were inspired by the paintings "Dogs Playing Poker".
 * The canine members of the Royal Guard located in Snowdin are called the "Snowdin Canine Unit".