These are the Rogue Trader-era Warhammer 40K Adventurers, Pirates and Mercenaries!
RT601 Adventurers
The Adventurers. Bob Naismith credits as per this interview.
The lineup is credited to Trish Carden (Morrison), Aly Morrison, Bob Naismith and Mark Copplestone.
Trish’s credits are as per a conversation with her in Jan 2025.
- Halfling Cook
- Hive Worlder
- Cyborg
- Mad Punk
- Space Amazon
- Tech-Priest Zon
- Pilot Rav
- Female Warrior Jayne
- Astropath Yerl
- Official
- Psyker
- Squat Miner
- Ventolin Pirate
- Punk
- Old Pirate
- Imperial Scout
- Scum
- Ships Officer
- Astropath Korm
- Ex-Tech
- Eldar Trader
- Navigator
- Space Pirate
- Bandit
- Pirate Capt.
- Test Bed Slave
- Hero
- Imperial Assassin
- Squat Engineer
- Female Warrior Gabs
- Tech-Priest Schlan
- Pilot Lorgar
IC301 Iron Claw Space Pirates and Jump Troopers 
These are 1987 Bob Olley sculpts.
- Zandar
- Venk
- Ooglorg The Cruel
- Captain Dunbar
- ‘Attitude’ Gorman
- Psycho
- ‘Pop’ Stewart
- Little Rigo
- Verrington Khorst
- Banzai Jones
- Loritta (Cyber-Girl)
- Dambo Kweltz
- Vaal the Asharian
- Star-Raven
- Nightwing
- Col. Vlad
- Nixan
Iron Claw Jump troops:
RT7 Mercenaries
The RT7 Mercenaries below were designed by Bob Naismith along with Michael and Alan Perry. I don’t know who did which, though this interview does help with Bob Naismith’s contributions.
- Plundering Pete
- “Sarge” Rockhard
- Hacker Harris
- Inquisitor Augustus WD93
- Irn-Bonce The Squat
- Catachan Luke
- Space-Dout Sam
- Worldburner
- Kylla Condotti
- Mad Morris
- Old World Jack
- Abbadon
- Faststar John
- Breakout Con
- Shorty
- No-Face Fargo
Chainsaw Warriors
So these weren’t 40K, but are contemporary to Rogue Trader and fit the aesthetic.
The C100 Chainsaw Warriors were done by Bob Naismith. One was seen in WD92:
- Chainsaw Warrior with Chainsword and Blaster
- Chainsaw Warrior with Reaper Cannon
- Chainsaw Warrior with Missile Launcher