WotLK Onyxia

[chibuxa]

I wonder if when the Onyxia server becomes a Lich Kink, will I be able to transfer with my existing characters or will I have to start over?

[Shred]

Your characters in Onyxia will continue to exist in the realm once it moves to wotlk.

[Mitzen]

I wonder if when the Onyxia server becomes a Lich Kink, will I be able to transfer with my existing characters or will I have to start over?

Once Onyxia's Wrath of the Lich Kink has come to its end, the assumption is you can transfer your Onyxian character to Icecrown if you wish to do so.