Robot Overview by Role

Damage

Agro: Degreaser, Scorch shot, Maul
Artillery: Rapid Long Range Artillery
B4Nny: Scatter Scout
Backscatter: Rapid Fire Backscatter
Bazookajoe2002: Rapid fire Bazooka
Big Joey: Tomislav
Black Knight: 250HP bonus per human, Increased Range Rake
Boxing Champ: Killing Gloves of Boxing
Buff Bot: Buff-Banner
Captitan Concho: Increased Healing Concheror
Carpet Bomber: Cluster Bomb Grenades
Centurion: Critical Chain Third Degree
Cloaker: Cloaker
Dewill: Rapid Ground Striker
Dr Grordbot: Electro Ball, Cow Mangler
Dreysidel: Mass Scottish Resistance
Expl-Odin: Grenade Launcher Launcher
Fire Wizard: Throws Fireball, Crit on burning melee
Firelord: Wide Fire
Firewall: Overheating + Resistance Piercing Heavy
Flycharger: Fly Charge, Shadowstep Demoknight
Funke: Cleaver + Batsaber Combo
Gunslinger: Instant Weapon Switch, Stock Loadout
Heatsink: Slap Ring Fire
Higps: LVL 1 Deflector
Icebear: Rapid Rocket Launcher Specialist
Ivory: MIRV Rocket Launcher
Kappy: Remote Control Rocket
Led: Rapid Grenade Launcher
Laugh Extractor: AOE scare ability
Lister: Dragon's Fury, Powerjack
Mecha Face: Rapid Baby Face's Blaster
Mortar Mack: Multi-Shot
Phase Bomber: Bomb Spawning Charge
Quickler: Long Range Sticky Bombardment
Rager: Pushback rage
Raid: Short Range Rapid Iron Bomber
Riotcop: Panic Attack Power Shotgun
Robo-Knight: Eyelander, Chargin' Targe
Rocket Man: Faster airblast
Samwiz: Banana Brass Beast
Shounic: Rocket Launcher Launcher
Solarlight: Hybrid Knight
Stickler: Large Radius Sticky Bomb
Sultan: Persian Persuader, Splendid Screen
Volcanyro: Gas Passer, Sharpened Volcano Fragment
Wamo: Plhogistinator, Manmelter
Zip Bomb: Infinite Caber
Zero G: No Gravity Stickies

Disruptor

Astrobot: Low Gravity Pyro
Bonk Scout: Bonk + Rapid Sandman
Elmaxo: The Original, Market Gardner
Fan Scout: High Pushback
Hoovy: Perma-crit mittens
Kristianma: Detonator, Axtinguisher
Samureye: Half-Zatoichi, Splendid Screen
Toofty: Iron Bomber, Sticky jumper

Engineer

Barricade: Barricade Buildings, Weak LVL 3 sentry, Shotgun, Southern Hospitality
Brainiac: MatePorter ability, Upgrading Rescue Ranger, Eureka Effect
Gnome: Throw your buildings, Frontier Justice
Nofungineer: Rapid Pomson High Damage Short Circuit
Uncle Dane: Widowmaker, Wrench
Wrangler Bill: Wrangler, Rapid Fire mini-sentries, Teamporter
Zonical: Quick-draw Pistol, Gunslinger

Healer

Array Seven: Kritzkrieg
Blood Bandit: Vampire Uber
Death Negator: Overheal, slow overheal decay and rapid Negate Death
Dr. Crossbow Cop: Strength Buff Crossbow
Quick-Shielder: Quickfix + MvM Shield
Robovich: Rapid Sandvich tosser
Rust Repair: Vita-Saw Medic Healer
Sentro: AOE Heal uber + Fireball
Skymin Slash: Dmg Reflect Vaccinator
Theory-Y: Multi-Banner Vaccinator

Sentry Buster

Bursty: Burstfire Direct Hit
Loch'N Larry: Rapid Anti-Sentry Loch-n-Load
Pilgrim: Thermal Thruster + Homewrecker

Sniper

Carbine Cassidy: Headshotting Carbine
Crocotron: Sydney Sleeper, Danger Shield, Kukri
Huntsbot: Penetrating Huntsman
Jbird: Explosive HS, Cozy Camper, Shahanshah
Skeeter: Knockback Sniper
Spaceguyonline: Mini-Crit Boost On Kill

Spy

Black Shiv: Grappling hook, Silent Killer
Jontohil2: Explosive backstab, Revolver
Mrpaladin: Turn invis on backstab
Ninja: Compressed Ninja Spybot
Stabbystabby: Rapid fire kunai
Warper: Warp to last target hit

Tank

Bearded Expense: Taunt: Leap Ability
Big Chief: High Heal on Kill
Executioner: High Damage Skull Cutter
Gotham Protector: Gain buffs on class punch. Immune to tickle and Uberchain
Megaton: Knockback Fists of Steel
Terminator: Terminate specific players

ZBOSS

General Crits: Critical Rockets
Kommisar Krit: Slow Crit Minigun
Saxtron: Critical Rockets
Skilltron: Rapid Fire Airblast
Smoker: Nuke Shot