“Prometheus”
“Alien Covenant”
“Alien”
“Aliens”
“Aliens III”
“Aliens IV”
That’s how the octopus/cephalopods got to earth. Movies don’t lie, you know!
Ah, I see you’re a scientist. I defer to your greater knowledge of the subject ;-)
And don’t forget Kang and Kodos from The Simpsons.