The same person, but they have two identities:

Public Identity:
[img]http://th05.deviantart.net/fs71/PRE/i/2011/142/f/2/nordic_hunter_by_secconcept-d3gyfoi.jpg[/img]
Name: Mikel Hunt
Age:  36
Gender: Male 
Personality: Friendly and helpful, he wants people to like him, almost to a fault.  He'll always willing to lend a helping hand, and will go out of his way to do what's best for others.
Role/Title: Hunter, a peasant that was conscripted by Ovorion's military shortly after he took the throne. Skills include basic herbal poisons and medicines, as well as throwing knives, and expert level archery.
History: He was a hunter, working in a village to the north of the capital.  One day the military came into town and rounded up every man in town between 16 and 40, forcing those that were able-bodied to join the army.  After receiving training, he was sent to the Capital to work as a city guard.  While there, he fell in love with one of the palace maids.  When she refused the advances of one of Ovorion's personal guards, though, he killed her.  Ovorion refused to punish the man for the murder, as he was one of the best guards, Mikel left the city through a secret passage so that they wouldn't be able to stop him.  He went to search for the Queen after that, knowing that she was the only one that could bring Ovorion and the guard to justice.
Anything extra: 

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Secret Identity
Name: Avarice
Age: 36
Gender: Male
Personality: Devious and sneaky.  Once he sets his mind on a goal he will pursue it with a single minded purpose, regardless of what it costs or how long it takes. 
Role/Title: Assasin.  Skills include master archery, knowledge of toxins, antidotes, and simple medicines.  He is also adapt at shadow magic and the "memory smudge" technique.  Shadow magic allows him to intensify shadows around himself to hide, blind his opponents, and use shadows as portals to travel 30-40 ft.  If he uses a shadow, however, he must wait several minutes before using the same shadow again.  Memory smudge allows him to make memories less clear.  He doesn't need to touch you if the memory is being formed, but if he's altering a past memory he does need to touch you.  With enough use, the memory smudge technique can give memories a dreamlike quality, where the victim doesn't know if they are real, a dream, or a story they once heard.
History: Growing up in the northern half of the kingdom, he was taken at a young age by a group of assassins.  They raised him, training him in their ways.  When he was found to have a gift with magic, he became the apprentice of one of their master Assassins, learning the Memory smudge and shadow magic techniques.  They taught him to hate royalty and nobles, as they were simply people who used their power to take from and harm those beneath them.
When he learned of the power struggle for the throne, he asked his master for permission to try and assassinate Ovorion and the Queen.  His master allowed this.  He then traveled to Ovorion, presenting himself as an assassin for hire, and was hired to eliminate the Queen.
Anything extra: He secretly hopes to eliminate both of them, and instead install a puppet aristocrat that can be convinced to dissolve the power of the throne.