Separated at Birth?

Ever do a double-take? Norrath has a distinct lack of genetic diversity, and I run into my doppelganger just about every time I set foot in Rivervale, or the rings. Below are a few twins that stood out:

Clearly their parents played favorites, giving one brother both a fungi tunic and a real name.
Shikanak acts surprised - but truth is, Iksars aren't known for their alcohol tolerance.
The male twin may have more horns, but he also has a tendency to soil his pants.
Sillyench grows increasingly disturbed by Pocoyo the rogue's infatuation with his appearance.
Pick carefully - do you want the green pill, or the red pill?
Spiritual brothers really...
It's a well known fact that twins tend to die within days, and sometimes hours, of each other.
Pretty sure this one-stop shop in EC tunnel is a family business.
The helmet fools nobody - EC mules seem to have been cloned in the same batch.
Policoth was the neat one - always sweeping up after his brother Polycoth.
And finally, all the proof you need that the Daniels shall eventually rule Norrath. Begun the clone wars have...