Gurdy

Gurdy is a boss that can appear in and the.

Behavior
Gurdy is completely stationary and will always appear in the upper middle of the room. She has three attacks:
 * Ducks down into her body and emerges from the middle facing Isaac, firing 5 projectiles in a spread.
 * She can do this below her and to her sides and will not perform this attack if Isaac is behind her.
 * Spawns a Pooter near herself.
 * Spawns two Attack Flies behind her.
 * Spawned Attack Flies are weaker than normal, with only about 3 health and can be killed if Isaac walks into them though they will still deal contact damage before dying.
 * Summons two Boils in front of her.

Champion Versions

 * Dark Greyish Green: 11% larger and does not use her projectile attack. Instead, she summons monsters at a faster rate.

Trivia

 * Gurdy appeared in the original The Binding of Isaac.
 * Gurdy was originally supposed to be a pile of dead children, but it looked too confusing, so Edmund McMillen made her body made of guts instead.
 * Gurdy's name is supposedly derived from a medical condition called G.E.R.D. (gastroesophageal reflux disease), more commonly known as acid reflux.
 * Gurdy appears to be the third stage of the "Gurdy" boss line, with the first stage as Gurglings, second as Gurdy Jr., and final as Mama Gurdy.
 * Upon entering a room with Gurdy in it, the player will usually be teleported to the bottom center of the room regardless of which side the player entered from.
 * Gurdy shares her name with a level from Edmund's previous game Super Meat Boy.
 * Gurdy is female.
 * Gurdy performs a taunting laugh animation if she hits Isaac.