Gizmo Gadget was born to a middle class family of mechanics, the Gadgets. He had his mother and father, Jillian and Merle. Its said he may have also had an older brother, but poor record keeping cannot confirm this.
As a foal, his mother ran off for another pony, and was never seen or heard from again. His father was left to raise him, but the strain of a broken marriage and the loss of his job due to depression forced them to sell their small house, and live in the slums. His father did his best to raise him, while also nursing a broken heart, and times were tough. He made just enough bits to afford the house, and whatever Merle had leftover, he put towards the young colt's schooling. He taught young Gizmo to love science and technology, and eventually, Gizmo helped his father with his tinkering. He soon got his cutiemark, a power/standby symbol. Tragically, though, not soon after he aged out of the school he had been going to, his father died of a heart attack.
Gizmo was crushed by his father's death, but rather than wallow in grief and sorrow, he decided it was time that he set out on his own, and try to make his own way in the world.

He had a slow start, becoming an adventurer to find what his father told him were valuable relics. This ancient tech from an era long past was the key to his success, financially. He found he could sell it, when he got it working, for a copious amount of bits. While being slightly rich was one thing, being set for life was another. He eventually requested a grant from the Equestrain Monarchy. He was turned down by one princess, one princess would not vote, and the final one said no as well. However, as he was leaving frustrated and defeated, that last princess approached him and hoofed him a black card with her mark on it, telling him she was a huge supporter for science in Equestria, and showing this card to whomever he was going to buy the materials for this project from would incline them to help him. With card in hoof, he was able to start the construction of a facility underground, (with the help of a few hundred diamond dogs), based on the many caverns and sewer systems already in place..

After the completion of the "Ponies for the Acceleration of Regulated Science in Equestria laboratories", or PARSE labs, as it came to be called, he began hiring ponies to work for him. Reformed changelings were frequent. Some of the more popular wings included the medical wing, the experimentation wing, the invention wing... and the robotics wing. soon though, leaked information reached the princesses, and he was arrested for treason. However, with the looming threat of a griffin invasion, the princesses had much to consider. This lab could be just what they needed to turn the tide. They became completely convinced upon entering the robotics wing. Noticing a drone dressed in false guard armor, the idea was quickly thought up of how he could continue this "science". He would build them a standing army of drones until further notice, and they would drop the charges against him. It was a no-brainer. Soon PARSE Robotics became a household name, as they generated the funds and resources necessary for this project.

Though he now had everything he had wanted, he felt like something was missing... Life became mundane, routine... boring. He fell into a heavy depression. He decided to cloister himself up in his lab, and became a kind of a hermit. Nopony saw him on the surface for a year. They started to forget he even existed... but that all changed, one fateful day...

Author's Note

Sorry for the lack of dialogue in this chapter. I just figured I should explain my cannon...