Other people have said that they sometimes find their characters moved round - it might just be a little bug.
@Golden Girl
City of Heroes comics and artwork
If you have a heart attack you shouldn't post about characters. Post to ask someone to dial 999. 
This is the first time i hear of this ~_^
this happened to me the other day as well!
I was pleased tho as it relegated a non 50 to mid way down the list and shuffled my 50s to the top
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I just had a heart attack.... i looked at the top of my heroes list... and Hidden was gone :O i think i collapsed, then looked down the list to see he was half way down... why?
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An easteregg you have found... a bit too late :P
This happens to me all the time (always someone different on top 
) but the next time I log in they've all shuffled back to the right spot.
I think they just get restless waiting for me to log in 
Always the same one on top, but the others all move around beneath her.... the sounds wrong, I'm sorry
"Well, they found my diary today.
They were appropriately appalled
at the discovery of the eight victims
They're now putting it all together.
Women wrapped in silk
with one leg missing
Eight legs, one body, silk,
spider, brilliant!"
Happened to me a few times too, always corrects itself though.
I have something like this. It seems to keep my earliest toon at the top and the rest are in level order of strongest to weakest.
It happens occassionally. I've had it happen on my character list too...annoying sometimes while othertimes its benificial 
Yes seen this happen to. all your charcters muddle up on the char select screen from time to time.
be nice if you could have them with highest at top and descendng in level, and if any was to level they would auto adjust their position next time you was at the select screen.
or even to have them maybe alphabetcally
@Snow.
Defiant: Snow + many other alts
Arc ID 61069
Yeah a little sort button would be nice.
i have benn getting this problem for over a month !! support have yet to get back to me on this , bridger kick there [censored] !!!
Myabe it's like Toy story, and all the characters come alive and move around when you log off :P
Happens to me all the time
Fighting l33t since 1974
Don't "lol"! Laugh!
Sanity Inc
@8Qbit
I just had a heart attack.... i looked at the top of my heroes list... and Hidden was gone :O i think i collapsed, then looked down the list to see he was half way down... why?