One of the most oft created sub class, new class or alternate class is the Necromancer.
Gamers in good campaigns look to them as the penultimate foe. Gamers in evil campaigns dream of controlling scores of undead.
The Monstrous Mayhem book for Spellcraft & Swordplay introduced the Necromancer Elite Path. He is also featured in the Deluxe Core Rule book.
HD: 6+4 (36 hp)
Attacks: 5+3 (Staff, spells)
S: 10 D: 12: Con: 13 Int: 18 Wis: 16 Cha: 13
Bane of the Dead, Enhanced Undead, Skeletal Minion, Undead Apotheosis: +3
First Level: Bane, Chill Ray, Detect Evil, Inflict Light Wounds
Second Level: Cause Fear, Death Knell, Hold Person, Protection from Good
Third Level: Curse, Speak with Dead, Unholy Blight
Fourth Level: Death Ward, Vampiric Killer
Fifth Level: Shadow Armor
The Necromancer prowls the night looking for crypts to raid or fresh corpses to use in his unholy experiments of the dead.
He is armed with a Skull Staff that gives him a +1 on his spellcasting rolls.