Thanos as a name was taken directly from the Greek 'Thanatos' by Jim Starlin (Thanos even has a twin brother Eros, same as the original) but I've got no idea how you pluralize a Greek personal noun ending in -os. I don't think it would be any of the options you've given us though.
@Liss_Bliss_ The female version of Thanos is Thanus
Maybe it is like "octopus" and there are multiple plural versions that can be used.
Maybe it is like "octopus" and there are multiple plural versions that can be used. Big fella, “octopi” is the only plural for octopus. There is only one
Maybe it is like "octopus" and there are multiple plural versions that can be used. Big fella, “octopi” is the only plural for octopus. There is only one Technically it’s octopodi. But no one uses that. No one.
Maybe it is like "octopus" and there are multiple plural versions that can be used. Big fella, “octopi” is the only plural for octopus. There is only one Technically it’s octopodi. But no one uses that. No one. Wow, really? That’s incredibleScience is terrible at naming things, and english is terrible at making rules
Maybe it is like "octopus" and there are multiple plural versions that can be used. Big fella, “octopi” is the only plural for octopus. There is only one Technically it’s octopodi. But no one uses that. No one. It’s 3rd declension, not 2nd declension. The plural would be octopodes.