The character I've been thinking of so far as a male wizard/rogue by the name of Merari Ruiz. When Merari was 12 years old, his favorite Uncle, Arie, was arrested and imprisoned by the BIA on charges of theft and attempted murder using magic as well as practicing magic without a permit. Shortly after his confinement, Merari's uncle was mysteriously murdered in prison. The investigation was summarily closed without arresting any suspects although several witnesses claimed that a member of the BIA had paid another inmate to commit the murder.
At about this age, Merari began to show signs of having magical abilities. Merari's parents, being law abiding citizens and shamed by the illegal activities of their relative, planned on taking their young son to the IASC to see if the boy did indeed have magical abilities and needed to be registered for formal training.
Two nights before his appointment with the IASC, Merari was visted at night be a mysterious man who was able to pass through his bedroom window as if it weren't even there. The man introduced himself as Charles and said he had been a friend of Merari's uncle before his death and that Merari needed to trust him. He warned that if Merari presented himself to the IASC, he might be in danger. Nobody understood the true reasons why Arie had been murdered, but Arie had been worried that something of this nature might happen to him as if he knew that someone was after his life. Before the night Arie had been arrested, he had made Charles swear upon his life that -- should anything happen -- he would find and protect Merari, keeping him hidden from the authorities until the boy was able to protect himself. Charles, though confused, had agreed.
Charles could not bring himself to force the boy into hiding, so he offered the boy a choice. He could present himself to the IASC as planned and risk whatever fate was in store for him, or the following night he could flee and meet Charles at a predetermined location nearby. The following night, Merari had slipped quitly from his bed into the night and grouped with this Mysterious Charles. Charles has been training the boy in magic and thievery for the past six years, hoping to train the boy to a point where he might escape the mysterious death that had befallen his uncle Arie.
Character Stats:
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Name: Merari
Male Human Wizard (soon to be Wizard/Rouge)
Specialization: Transmutation
Prohibited: Evocation, Necromancy
Alignment: NE or NN
Size: M
Type: Humanoid
Base Speed: 30ft
Space: 5ft
Reach: 5ft.
Str: 11 (+0)
Dex: 14 (+2)
Con: 12 (+1)
Int: 16 (+3)
Wis: 8 (-1)
Cha: 14 (+2)
HP: 5 [1d4 + 1con]
AC: 12 [10base + 2dex] / 12 / 10
Armor bonus: +0
Saves:
Fortitude: +1 (0base + 1con)
Reflex: +2 (0base + 2dex)
Will: +1 (2base - 1wis)
Init: +2 [2dex]
Base attack bonus: 0
Attack:
Dagger (melee): +0 [0base + 0str], 1d4dmg, Threat 19-20/x2
Dagger (ranged): +2 [0base + 2dex], 1d4dmg, Threat 19-20/x2, range 10
Spells:
CL: 1
DC: 10 + spell level + 3int
Spells per Day: 3/3 (+1 bonus spell, +1 specialization spell)
Skills:
Skill points: 24 [(2+3+1)x4]
Max Skill Ranks: 4/2
Concentration: +5 (4ranks + 1con)
Spellcraft: +9 (4ranks + 3int)
Driving: +? (4ranks + ?)
Computers: +? (4ranks + ?)
Knowledge Architecture and Engineering: +5 (2ranks + 3int)
Knowledge Arcana: +5 (2 ranks + 3int)
Sleight of Hand: +4 (2 ranks + 2dex)
Tumble: +4 (0ranks + 2dex + 2feat)
Jump: +2 (0ranks + 0str + 2feat)
Feats:
Mage: Summon Familiar
Mage: Scribe Scroll
Human: Acrobatic
Lvl 1: Combat Casting
Languages: total of 4
?
Proficiencies:
club, dagger, heavy crossbow, light crossbow, quarterstaff
Equipment:
4 Daggers
Backpack
Money Leftover: ?
Spells Known
0th level:
Light
Daze
Mending
Mage Hand
Read Magic
Open/Close
1st level:
Disguise Self
Feather Fall
Jump
Expedious Retreat
Sleep
Mage Armor
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I did the best I could to make an interesting character with the information provided. If there's something in there that can't mesh with your campaign setting, just let me know (for instance, I assumed it was possible to live under the radar of the BAI, but maybe that isn't true or maybe your campaign has us working with the BAI).