My presence is your downfall

[Dark Lord Cassus]

Greetings my fellow dark-siders.I am Darth Cassus.Since someone has already taken the nickname,you can address me as Dark Lord Cassus or simply Cassus.

I took the name "Cassus" because "casus" in Latin means a downfall or a tragic event.Tragedy follows me,as I bring tragedy along with me.

[Darth Devious]

Me thinks there are already TWO people on this list with your adopted name.