d8 Hit Die, Full BAB, Good Will Save, 6 + INT modifier skill ranks per level.
Class Skills: Bluff, Craft, Diplomacy, Fly, Intimidate, Knowledge (Dungeoneering), Knowledge (Engineering), Knowledge (Local), Perception, Profession, Ride, Sense Motive, Spellcraft, Survival, Use Magic Device
Proficient in: light machinegun, machinegun, flamethrower, mortar, revolver, double-barreled shotgun, bastard sword, spiked chain, whip, greatsword, earthbreaker, longsword, battleaxe, short sword, dagger. The Robot Slammer is not proficient in armor or shields.
1st level abilities - Eidolon/Fuse Eidolon (Synthesist Summoner), Stern Gaze, Monster Lore, Track (Inquisitor)
2nd level abilities - Monk Physical Package (Flurry of Maneuvers, Unarmed Strike, Devoted Guardian, AC Bonus) (Monk/Maneuver Master/Sohei), Eidolon Evasion (Synthesist)
3rd level abilities - Aura of Cowardice (Antipaladin), Trench Warefare (Trench Fighter), Naked Courage (Savage Barbarian)
*A note on the Eidolon. The original document prices the Eidolon class feature assuming the standard set-up where it improves the Summoner's action economy. This is not the case for a Synthesist Summoner, as the two creatures share actions.