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ALRIGHT, let me say something of Irken Anatomy.

Lesson One - Reproduction

We don't have intercourse, your fantasies are stupid and you are all horny idiots. Irken Invaders are born in an incubation tube in a breeding facility.    
The need to reproduce and have the intercourse is a nasty and disgusting thing you humans need, and not Irkens. Irkens CAPABLE of reproduction
are the Imperial class, such as, The tallest. First off, if you even think of commenting with, "OMGEZ THAT MEAN DEY ARE GAYZ?!?!?!?!11?!?!11" I will mark it as spam. NO, they aren't. Stop with your DUMB fantasies. MAY YOU DIE OF SUFFOCATION. They are CAPABLE of it, but DON'T do it. They have NO NEED. their reproductive organs are like you humans and your appendix. They are vestigial organs.

Lesson 2 -

Irkens do not have hair. Seriously, I need no explaining here. I have heard of only ONE Irken with a legit background on why that was possible. We do not evolve from your silly ape cousins, so we do not accumulate their HAIR. So stop giving us HAIR. You idiotic filth pigs.

Lesson 3 -

We do not have have your silly and disgusting reproductive organs. We have NO NEED FOR THEM, much less, we aren't even CLOSE to related to you, WHY would WE have YOUR organs? WHY?

Lesson 4 -

Why do not have, "Butt's". We do not go to the bathroom. THIS is because ALLLLL the foods we eat are professionally engineered SPECIFICALLY, so that there is not need for waste. Irken energy products are ESSENTIAL nutrients ONLY, not the extra fats and materials in YOUR greasy NASTY foods. WHEN eating foreign planetary foods, Irkens will gain weight, rather than need to, POOP. Urinating is the SAME concept. OH, and by the way

This is not a butt, it's a below view of my legs. I do not have what you consider,