Noeg

aren't these two literally in the same school building???

pretty sure the space jockeys survived. they go planet to planet, creating lower cast sub species to use, humans were designed to be a lower cast sub species but overstepped somehow. and that planet that got wiped out was a similar lower cast planet

primitive technology on youtube does all this. please watch him. he doesnt speak but it's real interesting

https://youtu.be/o1hhKKhIOqE this is close to your thought I think

Cant be the only guy who thought of Nathan Hale from the resistance games.