Altism

Gowron, lvl80 Blood Elf Paladin
Protection/Holy
levelled old-fashioned way

Lurge, lvl70 Undead Mage
Frost
Levelled old-fashioned way

Miriani, lvl80 Orc Hunter
Survival
Levelled with help off decreased experience needed

Mardah, lvl68 Night Elf Druid
Balance
Levelled with help off decreased experience needed

Cloudchaser, lvl58 Tauren Druid
Balance/Restoration
Levelled with help off decreased experience needed, and Bind on Account Shoulders

5 characters levelled to Outlands, by using a lot of 'old-land' instances....

(oh, I also have a DK, but they don't count as levelling :p)