Paper Mario: The Thousand-Year Door/Trouble Center

Garf

 * Title: Need a Key!
 * Location: Rogueport, outside his house.
 * Reward: 20 Coins
 * Objective: Meet Garf outside his house and he'll tell you where he dropped his key: outside the Lovely Howz of Badges. Head to the Lovely Howz, grab the key and give it to Garf.

McGoomba

 * Title: Safe Delivery...
 * Location: Rogueport, in the alley.
 * Reward: 20 Coins
 * Objective: Talk to McGoomba in the Alley in Rogueport Plaza. He'll give you a package that's for Goomfrey. Give the package to Goomfrey, loitering outside Prof. Frankly's place, then return to McGoomba to claim your reward.

Arfur

 * Title: Price Adjustment
 * Location: Rogueport, outside the Toad Bros. Bazaar.
 * Reward: 20 Coins
 * Objective: Talk to Arfur and go to Plenn T.'s store to get the prices on 3 items: Tasty Tonic, Fire Flower and Sleepy Sheep. Tell Arfur your findings and collect your reward.

Goomther

 * Title: Find this guy!
 * Location: Rogueport, next to the noose.
 * Reward: 20 Coins
 * Objective: Goomther has been defrauded by Larson the Bandit. Talk to Goomther, then go in search of Larson. You'll first find him in the alley behind Merlon and Prof. Frankly's houses, and he'll flee. Talk to Goomther again and continue your search. You'll find him in the docks and he'll flee again. Corner him at his hideout in the alley, behind the inn and collect your reward.

Mousimilian

 * Title: Hit me, please!
 * Location: Rogueport, outside the Toad Bros. Bazaar.
 * Reward: Information
 * Objective: Mousimilian forgot his latest money-making scheme. Hit him a few times with your hammer to jog his memory. Once the therapy ends, he'll tell you that you can by Sleepy Sheep in the Rogueport shop and sell it in Petalburg for a two-coin profit.

Bomberto

 * Title: I'm hungry!
 * Location: Rogueport Harbor.
 * Reward: 11 Coins
 * Objective: Give him some food from your inventory and he'll scarf it down and collect your reward.

Koopook

 * Title: Try to find me!
 * Location: Hooktail Castle, on the Fifth Floor right near the room where you met Ms. Mowz.
 * Reward: Special Card
 * Objective: Visit Hooktail Castle and trek to the Fifth Floor, right where you found Ms. Mowz, make Koops as your partner, then talk to him and claim your reward.

Mayor Kroop

 * Title: Listen to me!
 * Location: Petaburg, Kroop's residence
 * Reward: Turtley Leaf.
 * Objective: Listen to Kroop's musings and claim your reward.

Plenn T.

 * Title: Order me an item!
 * Location: Toad Bros. Bazaar
 * Reward: Ultra Shroom.
 * Objective: Purchase 5 Courage Shells at the store in Petalburg, then give them to Plenn T. and claim your reward.

Puni Elder

 * Title: Emergency Shroom!
 * Location: Great Tree
 * Reward: 60 Coins.
 * Objective: Give the Puni Elder a Life Shroom and claim your reward.

Lahla

 * Title: Play with me
 * Location: Rougeport, the Pianta Parlor
 * Reward: 10 Piantas.
 * Objective: Talk to Lahla and claim your reward.

Pine T. Jr.

 * Title: Help my Daddy!
 * Location: Rougeport Sewers, the entrance to the Pit of 100 Trials
 * Reward: Silver Card.
 * Objective: Fight your way to the 18th floor, revive Pine T. Sr. and locate an emergency exit and claim your reward.

Jolene

 * Title: Help Wanted!
 * Location: Glitzville's Glitz Pit
 * Reward: 30 Coins.
 * Objective: Get rid of the Battle Trunks in the Storeroom, talk to Jolene again so Goomfrey knows to expect you, then sell the Battle Trunks to Goomfrey in front of Merlon's house (Where you power up your partner) and NOT Goomther, then go back to the Glitz Pit, talk to Jolene and claim your reward.

Merlee

 * Title: Heartful Cake Recipe...
 * Location: Rogueport Sewers
 * Reward: 30 Coins.
 * Objective: Talk to Merlee, then visit Toce T. in Petalburg, next to Koops' house. She'll tell you the recipe for the Heartful Cake is Cake Mix and Ruin Powder. Pick up the Cake Mix at the Pianta Parlor, then return to Merlee's place, give Merlee the Cake Mix and claim your reward.

Bub-ulber

 * Title: The food I want
 * Location: Petalburg
 * Reward: Dried Flowers.
 * Objective: Talk to Bub-Ulber, then head up to the Hot Dog Stand in Glitzville and purchase two Hot Dogs. Pick up a Cake Mix from the Pianta Parlor and make Zess T. cook you a Mousse Cake with it. Give Bub-Ulber both Hot Dogs and the Mousse Cake then collect your reward.

???

 * Title: Elusive Badge!
 * Location: Rogueport, on the roof of Zess T.'s house.
 * Reward: Attack FX Y Badge, and Ms. Mowz will join your party.
 * Objective: Talk to the person (Ms. Mowz) who put the trouble up, then go to Hooktail's lair. Make your way to the top room (where you fought Hooktail) and blow away the wall in the middle of the room with Flurrie to reveal a treasure chest holding the Attack FX B Badge.  Give the badge to Ms. Mowz. She'll let you keep the Attack FX B Badge and she'll join your party.

Mayor Dour

 * Title: Newsletter...
 * Location: Twilight Town.
 * Reward: 30 Coins.
 * Objective: Talk to Mayor Dour, then give the newsletter he gave to you to the Elder Puni at the Great Tree. She'll give you a newsletter to give to Mayor Kroop in Petalburg, who asks you to forward it back to Dour due to a nasty cold. Talk to Mayor Dour and claim your reward.

Zess T.

 * Title: Seeking Legendary Book!
 * Location: Rogueport.
 * Reward: Honey Shroom.
 * Objective: Roll under a passageway, near the entrance to Creepy Steeple, grab the Cookbook during Chapter 4 quest. After completing your Chapter 4 quest, accept Zess T.'s trouble and give her the cookbook.

Eve

 * Title: Tell that person...
 * Location: Twilight Town, next door to the shop.
 * Reward: Meteor Meal.
 * Objective: Talk to Eve, then speak to Podley at the inn in Rogueport, then return to Eve's house to get your reward.

Goom Goom

 * Title: Looking for a gal!
 * Location: Pirate's Grotto.
 * Reward: Couple's Cake.
 * Objective: Trek into the Pirate's Grotto, and introduce Goom Goom to Goombella. Goombella will snub his advances and Goom Goom will be driven off. Collect the rejected Couple's Cake.

Frankie

 * Title: Important Thing!
 * Location: Rogueport, in the park.
 * Reward: Gold Card.
 * Objective: Talk to Frankie and get his missing wedding ring. It's in front of Garf's house. Give the ring to Frankie and collect your reward.

Chef Shimi

 * Title: Get these ingredients!
 * Location: Excess Express.
 * Reward: 40 Coins.
 * Objective: Chef Shimi is looking for 3 ingredients: a Mystic Egg, a Golden Leaf and Keel Mango.
 * To get the Mystic Egg: Play Stump Petuni with Petuni.
 * To get the Golden Leaf: Venture to Creepy Steeple in the northern corridor go trough a hole in the fence then on the right and hammer the golden tree.
 * To get the Keel Mango: Whack a palm tree on Keelhaul. There are few near the blue pipe

After getting the ingredients, give them to Shimi and get your reward. Then you can go in the cave's secret room at Keehaul Key to get an amazing badge called super HP, which gives you 100 HP.

Toodles

 * Title: I must have that book
 * Location: Poshley Heights. Pink house near the train station.
 * Reward: Platium Card.
 * Objective: Visit Toodles' house to for your assignment: Toodles lent a book to Jolene in Glitzville and it's your job to get it. Take the train to Rogueport and ride the blimp to Glitzville. Visit the manager's office and get the wrestling magazine. Deliver the book to Toodles and get the Platinum Card.

Ratooey Buisnessman

 * Title: Security Code...
 * Location: Glitzville.
 * Reward: Hot Sauce.
 * Objective: The businessman from the Excess Express has forgotten the combination to his briefcase. Visit the following places: Kroop's house (2), Flurrie's house (6), Don Pianta's office (2) and Toodles' house (5). Tell him the code is 2625 and claim your reward.

Goldbob

 * Title: Delivery, please!
 * Location: Poshley Heights.
 * Reward: 64 Coins.
 * Objective: Goldbob wants you to deliver a package to General White. Go to Fahr Outpost and speak to the Bob-omb in the General's house. He'll tell you he's in Rogueport. Podley will tell you he's in Glitzville. Go to Glitzville and chat with the Juice Bar owner. Return to Poshley Heights and talk to Goldbob, then return to Fahr Outpost to wake up the General. Give the package to the General and return to Poshley Heights to claim your reward.

Gob

 * Title: I can't speak!
 * Location: Fahr Outpost, behind the inn.
 * Reward: 20 Coins.
 * Objective: Give him honey candy and he'll be able to speak again.

Toadia

 * Title: I wanna meet Luigi!
 * Location: Poshley Heights, right near the Sanctum
 * Reward: Choco Cake.
 * Objective: Grab the L Emblem from the Poshley Sanctum, put it on and watch the chaos start.

Doe T.

 * Title: Roust these cads!
 * Location: Boggly Woods.
 * Reward: 20 Coins.
 * Objective: Kill all the enemies in the Boggly Woods blocking Doe T.'s path to the Great Tree.

Bub

 * Title: Help me make up.
 * Location: Poshley Heigts
 * Reward: 3 Coins.
 * Objective: Bub needs you to deliver either a Shroom Cake, a Keel Mango or a Fright Mask to his mom, as well as a touching apology. Give the gift to Sylvia, then return to Bub to get your reward.

Swob

 * Title: Erase that graffiti!
 * Location: Fahr Outpost, next to the cannon statue.
 * Reward: Snow Bunny.
 * Objective: Talk to Swob in Fahr Outpost and then, go to Level 50 of the Pit of 100 Trials and use Bobbery to blow up the graffiti. Return to Fahr Outpost to claim your reward.