Synths are 100% synthetic androids, each equipped with a mind of their own. They are individual minds within robotic bodies, each with their own personality, quirks, weaknesses and strengths.
Typically Synths are humanoid, sharing a vaguely reptilian aesthetic. They are highly modular, being able to exchange parts of themselves for different ones. Most of their body, including their shape, colour, height and number of limbs is customizable.

He also has a weird fetish with inflation