Why is the last name of all kerbals kerman?

[SergeantBlueforce]

Why does it seem that every single kerbal ever has the last name of kerman? Why don't we see any kerbals with different last names?

[Stealth2668]

Maybe they are family?

[TheRabbit]

Their culture of 5 buildings deems that Kerman is a sacred name. Or Kerbal parents are too lazy to come up with other last names. One or another.

[Monkeh]

Inbreeding would explain their rather limited cognitive functions...

[Decho]

^this - the space program is clearly a family project.

[The Jedi Master]

I think that the Kermans are some kind of super family, like the Cahill's in The 39 Clues.

[CosmicX1]

They're obviously all clones from the original Kerman triplets of Bill, Bob and Jebediah. This would also explain their orange suits differentiating them from their artificially created brethren. Perhaps mutagens are introduced into the cloning process in order to create Kerbals of different courage or stupidity, or perhaps this could be the result of enviromental effects/epigenics.

[Gristle]

Maybe their last names reflect their profession? Kerman = a career in aerospace.

[toril]

Genghis Kerman. no really if he was half as bad as the earth version all kerbals would be his descendants.