Signature:

Name: Jester
Age: 14
Gender: male
Contractor: Tamaki
Bio: Jester is the youngest sibling in the Trickster Trio. Though he is young he is very serious about his work in gathering the Gate Keys. He is able to change his form into anything he desires and uses it to his great advantage to getting what he wants. He has made a contract with Tamaki Isao to help him disguise better in the human world.
Likes: Jokes, hats, cards, suckers, hell and winning.
Dislikes: Being tricked, loosing, Guardians and sour things.
Weapon: Exploding Cards
Attacks: Ace of Spades- a card attack that shoots a certain amount of spikes depending on the card number.
Queen of Hearts- A support card that heals minor wounds.
Royal Explosion- his strongest exploding card attack, only the Queen, King and Jester cards can be used.
Look: 

Stats: 300
Attack: 25
Strength: 40
Speed: 40
Endurance:45
Adaptability: 150

Spoiler (hover to show)

Name: Tamaki Isao
Age: 15
Gender: male
Guardian Spirit/ Destruction Demon: Jester
Bio: Tamaki Isao a typical child who excels in most of his studies. With an insatiable desire for power it was fortunate that he managed to form a contract with Jester. Happy with his new power to "command" a demon he is curious as to what the Gate Keys open and what type of power can be harnessed.
Likes: Jester, power and sour candies.
Dislikes: Loosing and sweet things.
Weapon: Bow and Arrow, Exploding Cards.
Attack: Diamond Embrace- uses only the diamond cards to surround an area with a blinding light.
Look:

Stats: 300
Attack:35
Strength: 45
Speed: 70
Endurance: 100
Adaptability: 50