The Irken Invaders are the best of the best Irken Elite soldiers. Only an Irken elite soldier can become an Invader. They are trained in every way the Irken Empire has to offer and more. They are experts in planetary infiltration and espionage. They also have the capability to conquer their assigned planet single handedly after enough information is gathered thus eliminating any possible threat before the actual invasion begins. The Invaders are equipped with a small single piloted ship, a tiny capsule that can unpack into a fully dynamic base of operations and a SIR (Standard-issue Information Retrieval Unit) An Irken Invader is a prestigious branch of the Irken Elite, only a few of the best soldiers are chosen to become Invaders. They are an important part of galactic conquest, as they serve as scouts to spy on an enemy plan. Invaders are also second in the irken hierarchy. An Irken Invader is a prestigious branch of the Irken Elite, only a few of the best soldiers are chosen to become Invaders. They are an important part of galactic conquest, as they serve as scouts to spy on an enemy plan. Invaders are also second in the irken hierarchy. As far as I'm concerned the ones on the list are not the only ones involved but I assure you there thousands of invaders and you are only seeing those who appear on the show.
Here is list of those who joined so far
Invader Alexovich
He is named after the character designer Aaron Alexovich, creator of Serenity Rose, and fellow Slave Labor Graphics artist.. He appears in 'Battle of the Planets'. Appers as a member of tha aduence
Invader Chin
Invader Chin is an Irken Invader. Invader Chin is obviously named after the body part, other than that, not much is known about Chin appers as a member of the aduence
Invader Dooky
One of the only Irkens with brown eyes. Some of the Attendants to the Tallest have been noted to have brown eyes. appers as a member of the aduence
Invader El
Nothing is known apperas in as a aducence member frequently
Invader Flobee
Invader Flobee was assigned to a rock planet whose name is not known. When Zim spied on Flobee through his telescope to check his progress, Flobee was being hailed as the leader of the planet by the rock creatures that lived there. Flobee wore a horrible disguise, with rocks strapped to his body, but it still worked. In the mean time he is living like a caveman as far as I am concerend
Invader Gooch
Gooch can be seen waiting in line on Devastis, presumably to take the Invader test. Looks like he passed. He also has a long neck, and in the picture his body is slunched over this is because he is very tired at the moment. appers as a aduence member
Invader Grapa
Grapa is one of the few PAKless Irkens. Grapa was seen among the Planetary Conversion Team at Planet Blorch and was chosen to replace Invader Skoodge after the Tallest launched him into the planet. He became famous. He loved the attention he was getting from the Irken news media. He is not taller than Invader Sneakyonfoota. In the picture, he has no PAK but he took it off at the time. appers as a aduence member
Invader Groot
Not much is known about Groot. But he does look a lot like Zim appers a member of the aduence.
Invader Kim
Invader Kim is a Irken invader.You may notice he looks just like Zim, just with a slightly longer head appears as a member of the aduence
Invader Koot
Appears as a member of the aduence
Invader Krunk
Invader Krunk is an Irken Invader. He was assigned to an unknown planet he appears as a member of the aduence
Invader Larb
Larb was almost sent to Planet Blorch, home of the slaughtering rat people, but since his height increased, The Tallest changed his assignment to Vort, home of the Universe's most comfortable couch (where his drawing showed him fast asleep on it)
Invader Larbnar
Larbnar can be seen arriving on Conventia right before the Great Assigning starts. He must've been running a bit late he appears as a member of the aduence.
Invader Nen
The only thing known about Invader Nen that he has crooked anteanae he appears as a member of the aduence
Invader Pesto
Invader Pesto is an Irken invader. It is possible that he is annoying at times,considering the fact that his name is "Pest"o appers as a member of the aduence.
Invader Poot
Appers as a member of the aduence
Invader Sklud
Appers as a member of the aduence
Invader Skoo
Invader Skoo is a Irken invader. His name is very similar to the name Skoodge, Just without the "dge". His character design indicates that he doesn't have a PAK appers as member of the aduence.
Invader Skoodge
Invader Skoodge is an Irken Invader. He is Zim's best friend (though you probably won't be able to tell). They went to school together in the Irken underground. They got expelled and beaten up for trying to escape. Skoodge was assigned to Blorch, home of the slaughtering rat people, due to his shortness. Much to the surprise of The Tallest, Skoodge became the first to successfully conquer a planet in Operation Impending Doom II. Not wanting such a short and fat invader to be the poster boy of galactic conquest,The Tallest gave Skoodge a new Job....
AS LIVING AMMO FOR THEIR LAZER CANNON! The Tallest had Skoodge launched into Blorch as a part of the organic sweep. Remarkably, Skoodge 'got better' and went on to try with Zim on Hobo 13, hoping for a promotion. Zim sacrificed Skoodge to the Hogulus during one of the trials in order to ensure his own safety, but Skoodge again survived and made it to the Fortress of Pain, only to get dragged away again. Skoodge is very gullible, but he knows his stuff. In 'Squishy: Hugger of Worlds', he has a major part in destroying Squishy. He also has a major role in "Skoodge's Odyssey".
Invader Skutch
Invader Skutch is an Irken Invader that was assigned to a unknown planet. When Zim spied on Skutch through his telescope to check his progress, Skutch was seen laughing maniacally on top of a burning structure, possibly indicating he conquered it.Zim noted that Skutch was a total failure at the academy. Appers as a member of the aduence
Invader Slant
He has a deformed PAK appers as a member of the aduence
Invader Sneakyonfoota
Not much is known about him. Interestingly, his name is "Sneaky on foot". This might mean he's stealthy.
In the episode Hobo 13, he, along with other sucessful invaders, watched Zim's training on Hobo 13. He bet a thousand monies that Zim would get eaten. Invader Sneakyonfoota is the tallest Irken Invader appers as a member of the aduence
Invader Spleen
Spleen impressed the Tallest with his gargantuan head and "battle scar". Much like Invader Chin, Spleen is named after a body part/organ. Appers as a member of the aduence
Invader Sploodge
Invader Splooge is one of the Irkens who have a darker than red eye color. He was assigned to a unknown planet. Apeers as a member of the aduence
Invader Stink
Invader Stink was assigned to a planet whose name is not known. Zim used his high powered telescope to spy on Stink, and caught him taking a breather on top of an alien structure as the rest of the city burned down. Stink is later seen among the Planetary Conversion Team above Blorch, probably taking a break to see the first victory in Operation Impending Doom II. He gasps along with the crowd when it is revealed that Skoodge was the conquerer. appers as a member of the aduence
Invader Tenn
Tenn was assigned to the planet Meekrob, home of a race of beings of pure energy and sworn enemies of Irken Empire. Due to Smikka Smikka Smoodoo's 'revolution' on the Conveyor Belt Planet, Tenn received a package full of malfunctioning SIR units instead of the MegaDoomer she was supposed to get. They destroyed the large base she had built on the planet. And her disguise. In the cancelled season 2 finale, Tenn would've gotten discovered by the Meekrob and held prisoner. Skoodge and Zim would've saved her life. She would have appeared prior to that in the episode "Top of the Line," which was scripted, but the script has not been found.
Invader Tim
At the Almighty Tallest's gathering to watch Zim train on Hobo 13, Tim bet 2 thousand monies that Zim would be chopped in half. He is one of the few PAK-less Irkens. Appers as a member of the aduence
Invader Zee
but her character design indicates that she is one of the few Irkens with no PAK.
In the episode The Nightmare Begins, Invader Zee can be seen standing in front of Zim in the line to get a SIR unit, but Zim cut in line. When Zim cut in line she didn't seem to care alot.
And Of Course The Notorious....
Invader Zim
so far these are the ones who joined if others have inform me.