Well, the Celestial Dung Beetle (my younger brother) has just come up with a set of rules for Yahweh;
Yahweh
Iehovah, Jehovah, The Alpha, The Omega, He Who Is Called “I Am”, just plain God
Greater Deity
Symbol: A cross
Home Plane: Heaven
Alignment: Lawful neutral
Portfolio: Healing, war, protection, obedience
Worshippers: Christians
Cleric Alignments: LG, LN, LE
Domains: Healing, Law, Protection, Tyranny, War
Favoured Weapon: Heavy mace
YAHWEH
Cleric 20/Fighter 20
Medium-Size Outsider (Lawful)
Divine Rank: 16
Hit Dice: 20d8+180 (outsider), 20d8+180 (cleric), 20d10+180 (fighter) (1060 hp)
Initiative: +10 (+6 Dex, +4 Improved Initiative)
Speed: 60ft
AC: 70 (+6 Dex, +16 divine, +29 natural, +9 deflection)
Attacks*: +5 flaming lawful heavy mace +79/+74/+69/+64 melee; or spell +69 melee touch or +61 ranged touch * always receives a 20 on attack rolls, roll die for critical hit.
Damage*: 5 flaming lawful heavy mace 1d8+42/19-20; or by spell * always does maximum damage (mace 50 points)
Face/Reach: 5ft. by 5ft./5ft.
Special Attacks: Turn undead 24/day, domain powers, salient divine abilities, spell-like abilities
Special Qualities: Divine immunities, fire immunity, DR 51/+4, fast healing 36, spontaneous casting of divine spells, understand, speak, and read all language and speak directly to all beings within 16 miles, remote communication, godly realm, teleport without error at will, plane shift at will, SR 46, divine aura (16 miles, DC 34)
Abilities: Str 38, Dex 23, Con 26, Int 29, Wis 43, Cha 29
Skills*: Concentration +75, Gather Information +75, Heal +75, Intimidate +75, Knowledge (arcana) +75, Knowledge (history) +75, Knowledge (religion) +75, Listen +75, Open Lock +75, Search +75, Sense Motive +86, Spellcraft +75, Spot +75, Survival +75 * Always receives a 20 on checks.
Feats: Alertness, Blind Fight, Cleave, Combat Reflexes, Divine Might, Dodge, Empower Spell, Expertise, Extend Spell, Great Cleave, Great Fortitude, Greater Spell Focus (divination), Improved Bull Rush, Improved Critical (heavy mace), Improved Disarm, Improved Initiative, Iron Will, Maximise Spell, Mobility, Power Attack, Quicken Spell, Scribe Scroll, Spell Focus (divination), Spell Penetration, Spring Attack, Still Spell, Sunder, Track, Weapon Focus (heavy mace), Weapon Specialisation (heavy mace), Whirlwind Attack
Divine Immunities: Transmutation, Energy Drain, Ability Drain, Ability Damage, Mind-Affecting Effects, Electricity, Cold, Acid, Disease, Poison, Stunning, Sleep, Death Effects, Paralysis, Disintegration, Imprisonment/Banishing Effects
Salient Divine Abilities: Alter Form, Alter Size, Battle Mastery, Create Greater Object, Create Object, Divine Blast, Divine Creation, Divine Shield, Mass Divine Blast, Extra Domain (Protection), Extra Domain (Tyranny), Extra Energy Immunity (Fire), Gift of Life, Lay Curse, Shapechange, True Shapechange
Domain Powers: Cast healing spells at +1 caster level, cast law spells at +1 caster level, 16/day protective ward, add +2 to DC of all compulsion spells
Spell-Like Abilities: Yahweh uses these spells as a 26th-level caster, except for healing and law spells, which he uses as a 26th-level caster. The save DCs are 35 + spell level. Antimagic field, Bigby’s grasping hand, blade barrier, calm emotions, command, cure critical wounds, cure light wounds, cure moderate wounds, cure serious wounds, dictum, discern lies, dispel chaos, divine power, dominate monster, enthrall, fear, flame strike, geas/quest, greater command, heal, hold monster, magic circle against chaos, magic vestment, magic weapon, mass charm, mass cure critical wounds, mass cure light wounds, mass heal, mind blank, order’s wrath, power word blind, power word kill, power word stun, prismatic sphere, protection from chaos, protection from energy, regenerate, repulsion, sanctuary, shield of law, shield other, spell immunity, spell resistance, spiritual weapon, summon monster IX* *Cast as a law spell only.
Cleric Spells/Day: 6/8/8/8/7/7/6/6/5/5; base DC = 17 + spell level