Hero Data

Keith: Wannabe Ninja
Lance's greatest rival before being expelled from the Garrison. Now works alone in the desert looking for signs of alien activity. First appears in The Rise of Voltron.

Weapon: Blade of Marmora (Dagger)
Mt: 14
Rng: 2
After attacking, target gains Def/Res/Spd -2. All enemies within two spaces have bonuses turned into penalties

Support Skill: N/A

Special Skill: Blazing Flame
Cooldown: 5 Turns
Before combat this unit initiates, foes in an area near target take damage equal to 1.5 x (unit's Atk minus foe's Def or Res).

Skill Slot A: Fire Boost 3
If unit has at least 3 more HP than enemy at the start of combat, unit receives Atk+6 during combat.

Skill Slot B: N/A

Skill Slot C: Hone Spd 3
Grants adjacent allies Spd+4 through their next actions at the start of each turn.

(This took so long (I am never doing that again) Now I get to start making more characters! I'll probably do these more often once I get my tablet pen charged again. This was done entirely with a mouse and would have gone a lot smoother if I had a pen. 
Fire Emblem Heroes Sprite Edit.
Time taken: ~6 hours)