Blueman

Overview
Blueman is the main antagonist for Seasons III & IV. For the first half of Season III, he was a side character. First Episode: I'm Blue

Last Episode: Currently in the show

Season 3
For 3A, Blueman was a side protagonist. For S3 E9 and onward, Blueman was a villain. It was revealed in Goodbye, Arcvchers that Blueman was the mysterious voice controlling Sinestro.

Season 4
Blueman will be in Season IV as the main antagonist.

Season 3
Blueman was first heard in the show in A New, New Beginning. In the next episode, The Night Strikes Back, he is heard by Batman for the first time.

In I'm Blue, he is presented as a traveler. Nightwing thinks he's evil, but Batman shunned him. In The Reunion One, Emmet says Blueman "is getting creepier every episode."

In Escape to Arcvchers Tower, Blueman isn't there. In the end of the video, Blueman grabs Luke and threatens to kill him. In the next episode, Blueman gets in a battle with The Arcvchers. He tells Pirate Batman to execute Order Hamburger, and he does. After all the Arcvchers are defeated, Emmet throws Blueman in a pit of molten lava. He leaves to found Emmetland.

In 3B, Emmet is the ruler of Emmetland known as Archie. Blueman is the ruler of the world.

Season 4
Blueman will be in Season IV.

Appearance
Blueman is a 2014 Ninjago Jay figure with no shoulder pads. In Goodbye, Arcvchers and onward, Blueman is a 2017 Black Ninjago Jay figure with CHIMA shoulder pads.