The Archaeologist - 5 gamerpoints - Dig up something the dog has discovered, or see another Hero do so.
The Archmage - 10 gamerpoints - A Hero must kill five human enemies with one spell.
The Artisan - 10 gamerpoints - Succeed at one job to Level 5, or see another Hero do so.
The Bigamist - 10 gamerpoints - Get married a second time, whilst already married, or attend the second wedding of another Hero.
The Black Knight - 10 gamerpoints - Shoot the weapons from a hollow man's hands, blow off his head and then kill him for good!
The Celebrity - 50 gamerpoints - Reach 50,000 renown, or see another Hero do so.
The Chicken Kicker - 5 gamerpoints - Kick a chicken a good distance, or see one getting kicked.
The Cliff Diver - 5 gamerpoints - Cliff dive 500 feet, or see another Hero do so.
The Companions - 10 gamerpoints - Perform a perfect co-op expression.
The Completionist - 50 gamerpoints - Get all expressions, pet tricks and abilities, or see another Hero do so.
The Dog Trainer - 5 gamerpoints - Teach your dog a trick, or see another Hero's dog learn one.
The Dollcatcher - 10 gamerpoints - Collect all the Hero dolls, or see another Hero collect them.
The Double Threat - 10 gamerpoints - Get a co-op combat bonus.
The Duellist - 10 gamerpoints - String together a full-speed chain attack, or see another Hero do so.
The Egomaniac - 25 gamerpoints - A Hero must choose 'The Needs of the One'.
The Executioner - 10 gamerpoints - Sacrifice ten people in the Temple of Shadows, or see another Hero do so.
The Extremist - 15 gamerpoints - Reach 100% purity or corruption, or see another Hero do so.
The Family - 25 gamerpoints - A Hero must choose 'The Needs of The Few'.
The Gambler - 10 gamerpoints - A Hero must win 500 gold at a pub game in one sitting, having tried each game type at least once.
The Gargoyle - 25 gamerpoints - Find the gargoyles' legendary treasure.
The Goth - 5 gamerpoints - A Hero must dye their hair black, and wear a black outfit and black makeup.
The Hero of Many Names - 5 gamerpoints - Change your Hero's title, or see another Hero change theirs.
The Hero of Skill - 100 gamerpoints - Complete The Hero of Skill.
The Hero of Strength - 100 gamerpoints - Complete The Hero of Strength.
The Hero of Will - 100 gamerpoints - Complete The Hero of Will.
The Hoarder - 25 gamerpoints - Collect every silver key, or see another Hero do so.
The Hunter - 5 gamerpoints - Kill a sweet, innocent, fluffy bunny rabbit - remember, safety's off!)
The Illustrated Hero - 5 gamerpoints - Tattoo every part of your Hero's body, or see another Hero do so.
The Menace To Society - 5 gamerpoints - Commit an act of public indecency, or see another Hero commit one.
The Muse - 5 gamerpoints - Inspire the Bard to compose songs celebrating your great deeds.
The New Hero - 50 gamerpoints - The terror of Bower Lake must be defeated.
The Paragon - 15 gamerpoints - Reach 100% good or evil, or see another Hero do so.
The Parent - 10 gamerpoints - Have a child, or be there for the birth of another Hero's child.
The Party Animal - 10 gamerpoints - Get five villagers drunk in under three minutes, or see another Hero do so.
The Persuader - 5 gamerpoints - Convince a villager to give you a present, or see another Hero do so.
The Philanthropist - 10 gamerpoints - Send a gift to an Xbox LIVE friend, or watch another Hero send one.
The Pied Piper - 10 gamerpoints - Start a party where at least five villagers are dancing, or see another Hero do so.
The Pooch Pamperer - 5 gamerpoints - Play fetch with your dog, or see another Hero's dog play.
The Property Magnate - 10 gamerpoints - A property must be sold for twice the price it was bought for.
The Rogue - 5 gamerpoints - Steal something undetected from a building while there are people nearby, or see another Hero do so.
The Romantic - 10 gamerpoints - Take a villager on a perfect date, or tag along to one. Location and expressions are all-important.
The Ruler of Albion - 100 gamerpoints - Amass a 2.5 million gold real estate empire, or be there when another Hero does.
The Sacrifice - 25 gamerpoints - A Hero must choose 'The Needs of the Many'.
The Sharpshooter - 10 gamerpoints - Hit three enemies with one shot, or see another Hero do so.
The Show-off - 5 gamerpoints - Impress a villager with a perfect expression, or see another Hero do so.
The Spouse - 10 gamerpoints - Marry a villager, or attend the wedding of another Hero.
The Swinger - 5 gamerpoints - Take part in a debauched bedroom party with several participants.
The Teaser - 5 gamerpoints - Make bandits respond to expressions with fear, anger, mirth, and confusion... during combat!
The Whippersnapper - 25 gamerpoints - A child Hero must collect five gold pieces.
The Workhorse - 10 gamerpoints - A Hero must achieve a high-enough chain while performing a job.
[more cheats for Fable II here]