I'm guessing that if we just took care of the names which appear twice this topic would never come up again.

I agree with Amie that having the name change early is important. I was really tickled when I became a frequent flyer long before I had even half a clue about HT

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8