Here's what a $33 USD fully shaded commission from me would look like. Completed version of my WIP I submitted earlier in the scraps: http://www.furaffinity.net/view/8003745/

In this scene, Reeva Vas Luna and Sigmus "Overglock" Tesla are leaving firebase Ghost in a shuttle after a successful raid against the Reaper ground forces controlling the area.

Name: Reeva Vas Luna
Species: Quarian
Class: Infiltrator
Abilities: Tactical Cloak, Sabotage
Primary Weapon of choice: M-98 Widow Sniper Rifle
Secondary Weapon of choice: Geth Plasma SMG
Bio:
Reeva has yet to complete her pilgrimage that is customary of Quarians. So after the reunification of the Quarians and the Geth on their homeworld Rannoch, Reeva immediately volunteered her skills and talents that were originally honed to fighting the Geth, for the fight against the Reapers. The Alliance had a new infantry division known as the "N-7 Special Ops" group that she signed up for, and now she serves aboard the Alliance destroyer vessel known as the SSV Luna, changing her ship name to match.
In combat, her accuracy with her sniper rifle is only surpassed by her daredevil level of search and rescue skills. With her proficiency in tactical cloaking, Reeva can easily slip behind enemy lines to resuscitate/rescue fallen squadmates without being noticed until its too late, earning her the nicknames "Shadow Angel" or "Ninja Medic".

Name: Sigmus "OverGlock" Tesla
Species: Geth
Class: Engineer
Abilities: Overload, Geth Turret
Primary Weapon of choice: Geth Pulse Rifle
Secondary Weapon of choice: <none>
Bio:
Originally known as program 100111011 110001110, it has adopted the short nicknames it has been referred to for the sake of simplicity in communication. Sigmus met Reeva during the reconstruction of Rannoch. The two were paired up as part of a diplomatic agreement involving many such pairs in order to gain familiarity and trust of each other. Being used to shooting the heads of Geth mobile platforms, Reeva was very uncomfortable about the fact that she would have to work within striking distance of one.

At first they would only work together with Sigmus being downloaded into her suit's hardware, giving Sigmus minimal room and control. Its only assignments were to regulate homeostasis for Reeva's internal suit environment and offer advice, however it would regularly complain about its restrictions much like an organic male would complain about being cooped up in a small area. This gradually led to Reeva treating and referring to Sigmus as a "male", a classification it reluctantly accepted. Sigmus' restrictions changed when Reeva decided to join the N-7 Special Ops and Sigmus agreed to follow, bringing "his" mobile platform with "him" to the fight.

In combat, Sigmus is physically frail and like all Geth, rely heavily on their shields. Knowing this setback, it has adopted a combat strategy that takes advantage of that. His Geth Turret was optimized as a defensive weapon, maximizing its ability to recover his shields. Continuous enemy fire that would otherwise have decimated his shield and mobile platform body could be absorbed without damage or recoil. Combined with his ability to invoke a neural shock or overload attack that incapacitates multiple organics and synthetics alike, and Sigmus can easily hold down a defensive position alone and long enough for help to arrive.

His turret is also well known for saving the lives of his squadmates, instantly recovering their shields the very moment they are broken while providing the enemy with a distraction to shoot at. This shield charging skill has earned Sigmus the nickname "Tesla" among his squadmates. He carries a very light armament, using only a modded Geth Pulse rifle so that he can focus more on his abilities of maintaining his turret and launching overload shocks at enemeies. His pulse rifle has been altered with an extended rail for increased damage, and a capacity upgrade for long battles of attrition, and fires with a speed and ferocity that has been referred to as "OverGlock".

Quarians and Geth are from Mass Effect copyright Bioware.