For your consideration...
This isn't really a conversion note, but since you were talking about personalizing the place somewhat...
Vog came about because I felt the shrine to Jubilex needed a caretaker. He was also a good explanation for all those bloody oozes on the encounter charts. His stats were pretty much assigned (as a match to some of the rolls the characters made). His hit points were also manually set just because I knew the players damage dealing capacity. This was copied off of some old notes and I know the feats and the skills are a little off, but it should be mostly workable.
Depending on your group's level when they reach him, you may want to scale his level and or items back. My group took care of the dragons first (as well as an unrelated side adventure) so Vog's level was upped accordingly.
Finally, he was to provide a counterpoint to the way the party wizard was being run. He was fun to play.
Vog
Svirfneblin, Male
Wizard 5 /Oozemaster 10 (Caster Lvl 10)
HD: 5d4 + 10d8 + 45 (120hp)
Init +3
Spd: 20
AC: 18 (Ring of Protect +2, Amulet of Nat Armor +2, Small +1, Dex +3) (33 with Mage Armor, Shield, and Haste)
Atk: melee: +9/+4 ; ranged: +13/+8
Fort: +18, Ref +14, Will: +17
Str:8 , Dex: 17, Con: 16, Int: 20, Wis: 17, Cha: 6
Alchemy +13, Hide +13, Listen +5, Swim +3, Concentration +11, Spellcraft +13, Scribe Scroll, Brew Potion, Great Fortitude, Silent Spell, Spell Focus (Transmutation), Greater Spell Focus (Transmutation), Lightning Reflexes, Iron Will
Spell Like Abilities: Blindness, Blur, Change Self (DC 10+spell lvl)
Special Qualities: Nondetection (DC 25), SR 25, Darkvision 120ft
Oozemaster Abilities:
Minor Oozy Touch I: Grey Ooze
Minor Oozy Touch II: Ochre Jelly
Major Oozy Touch I: Black Pudding
Major Oozy Touch II: Gelatinous Cube
Major Oozy Touch III: Green Slime
Oozy Glob 5/day
Slithery Face, Mallebility, Indiscernible Anatomy
Slime Wave: DC 20
One with Ooze: Blindsight 60', Immune to Flanking, Poison, Sleep, Paralysis, Stunning, Mind Influencing Spells, and Polymorph
Wizard Spells (4/6/5/4/4/3) DC: 15 + Spell Level (19 + lvl for Transmutation)
0) Detect Magic x2, Ray of Frost, Prestidigitation
1) True Strike x2, Expedtious Retreat, Shocking Grasp, Charmp Person, Magic Missile
2) Silent Shield, Silent Mage Armor, See Invis, Silent Magic Missile, Silent Ventriloquism
3) Protection/Elements x2, Silent Darkness, Silent Deafness
4) Silent Haste, Silent Fly, Silent Displacement, Silent Dispel Magic
5) Silent Improved Invis, Teleport, Transmute Rock to Mud
Items: Headband of Intellect +4, Amulet of Natural Armor +2, Ring of Protection +2, Cloak of Resistance +3, Scroll (Mass Haste, Greater Dispelling, and Slow), Potion of Invisibility x3, Potion of Endurance x3, Potion of Cure Serious Wounds x2
Description
Like all svirfneblin, Vog has gray skin and bright blue eyes. He is compeletely hairless and looks like he's on the edge of starvation. He has long ago forgotten what hygiene is, but his oozy powers keep him generally clean.
He generally wears a patch-worn, torn, gray tunic that's covered with burns and has many tears and holes. At his side is a large pouch filled with flasks. His cloak and ring are his ownly obvious magic items as all else are hidden.
History
Vog was an alchemist in Carmararen's community of Svirfneblin. He held a semi-prominent position if only because his job was so dangerous. His job also demanded that he travel through the underdark collecting the items he needed to make his alchemical things. In particular Vog was interested in the slimes and oozes about the caves as they were a source of particular potent acids.
About fifty years ago Vog did not come back from one of his expeditions. The little gnome had stumbled upon the shrine to Jubilex. Since then Vog doesn't even remember his past life. He serves the idol, protecting the caves nearby, and occasionally travelling about on strange errands (Like seeding empty caves with some ooze or another).
If he does travel, Vog takes an ooze with him for protection. He will always cast a fly spell on the ooze and if meeting people will pour an invisibility potion over it too.
Outside of his caves, Vog is genial if obviously a little touched in the head. Inside his caves he becomes viscious and straightforward, casting his protective magics first and then opening up with a Transmute Rock to Mud over his opponents.