I don't buy the twins in STID as Caitians, the look is entirely wrong. They're an alien race who have tails, which surely can't be that odd--look at how many different species on Earth have them for various purposes.
Commander Austin Harris, First Officer, Deep Space Nine (by FltCpt. Bossco)
8.01 - Darkest Before Dawn
(Chapter 8 added, 12/09/2015)