Number 125 and it has space. Here is the first proper comic with Captain Amarillo, Lance and Vance in it.
Captain Amarillo, Lance and Vance are from Space the comic by KDog. Space can be found here www.drunkduck.com/Lego_Space/index.php
Does Igor have a 'Personal Atmospheric Device' by any chance?
Maybe he has a plot device drive
I'd assume that his body odor creates his own atmosphere. He's like a biosphere that way, only Igor.