Frowgler is a character who looks like the character horned frog Frowgler in the Roshambo the Warrior Beetle comic strip.
The appearance of being a horned frog is a mask(
). Frowgler doesn't always get the shape() quite right.
Frowgler is known by and can communicate() with the devices in the Quiet Room and told them to heed Rosemary's warning().
Frowgler knew() how Frederick bound Myrrh.