Marauder only released one set for 40k, these Space Ork Boyz, shown in White Dwarf 137 (May 1991.) I also have a variant of Bolter E without a Mohawk cut. The other stranger is the MM20 Orc Boy with Bolt Gun, why?
Sculptor:
Aly Morrison / Trish Carden
Painter:
Giuseppe Chiafele
Marauder MM100 Space Ork Boyz
Bolter A
Bolter B
Bolter C
Bolter D
Bolter E
Bolter F
Bolter G
Unreleased Bolter
MM20 Orc Boy with Bolt Gun