Compendium 1 has 10 Evil Wizards and 2 High Sorcerors of Chaos. The names are those used by RAFM, where known, or a descriptive name where not.
Master Necron of the Nether Realm
Hegel the Learned
Wizard reading Spell Scroll
The Thrower of Mighty Bolts
Wizard with Orb
The Wiz
Evil Wizard (FA21 Evil Wizard)
Wizard with Dagger (FS2 Necromancer)
Necromancer (FA25 Necromancer)
Wizard Pointing with Monkey on Wrist
Amron, Bringer of Hope
Umbra, Bringer of Despair