Gurdy Jr.

Gurdy Jr. is a boss that can appear in all environments of Chapter 2.

Phase 1

 * Spawns a Pooter.
 * Jumps and shoots a radial of 8 tears in all directions on landing.
 * Charges towards Isaac at high speeds, sliding while bouncing off obstacles and walls, She gradually loses speed before coming to a full stop.
 * Any Pooters caught in her charge will be killed.
 * The course of her charge can be affected by Tear knockback
 * If Gurdy Jr. charges into an active bomb, she is slowed down tremendously.

Phase 2

 * When she has less than 50% health, she uses her charge attack continuously.

Champion Versions

 * Blue: Instead of one Gurdy Jr., there will be two 42% smaller ones. This version has 45% less HP than the original (137.5) and only uses the charging attack. It drops a Soul Heart upon death. Effectively being a harder version of the Gurglings.
 * Gold: 15% larger than the regular, with 25% more HP (312.5). She spawns Super Pooters instead of regular Pooters. Does not shoot bullets of any sort.

Trivia

 * Gurdy Jr. was added in the Wrath of The Lamb DLC for the original The Binding of Isaac.
 * Gurdy Jr. from Wrath of the Lamb is larger than Gurdy Jr. in Rebirth.
 * In the original game, Gurdy Jr. could be encountered in.
 * Gurdy Jr. appears to be the second stage of the "Gurdy" boss line, with the first stage as Gurglings, third as Gurdy, and final as Mama Gurdy.
 * Gurdy Jr. is female.
 * Edmund McMillen has referred to the double Gurdy Jr. champion room in an interview as "double Gurditration".