Bibiblop

 is a NPC and grants entrance to the Blop Dungeon.

Talk
Come on now, sing with me. 'Bibi bibi bibi Bibiblop. On the Rocky Plains. King of the Blops. Bibi bibi bibi Bibiblop. Your love is hard as a rock.' You don't want to sing with me? You wanna go right into the dungeon? Okay, give me the key and I'll let you in.