Santa Claus: CR 20; Male Elf Rog12/Pal2/Sor6; HD 7+11d6+11+6d4+6+2d10+2; hp 100; Init +0; Spd 30 ft.; AC 16 (touch 10, flat-footed 16); Atk: +20/+15/+10 (1d8+6, +5 dancing vorpal longsword); Face/Reach 5 ft. by 5 ft./5 ft.; SA Detect Naughty/Nice, Divine Grace, Lay on Hands, Divine Health, Aura of Courage, Smite Naughty (1/day); SQ Elven traits, sneak attack +6d6, uncanny dodge (Dex bonus to AC, can't be flanked, +1 save vs. traps); AL NG; SV Fort +15, Ref +15, Will +19; Str 12, Dex 11, Con 13, Int 19, Wis 21, Cha 20.
Skills and Feats: Appraise +4, Balance +10, Bluff +5, Climb +16, Concentration +9, Decipher Script +19, Diplomacy +20, Gather Information +19, Hide +25, Listen +9, Move Silently +35, Open Lock +22, Pick Pocket +12, Ride +15, Scry +17, Search +6, Sense Motive +22; Alertness, Craft Wonderous Item, Skill Focus (Hide), Skill Focus (Move Silently), Skill Focus (Sense Motive), Skill Focus (Gather Information), Skill Focus (Pick Pocket).
Spells Per Day (6/8/6/4; base DC = 15 + spell level): 0 -- dancing lights, detect magic, endure elements, ghost sound, mage hand, read magic, resistance; 1 -- change self, mage armor, sleep, unseen servant; 2 -- detect thoughts, levitate; 3 -- fireball.
Elven traits: as per the Elven racial traits on page 16 of the Player's Handbook.
Detect Naughty/Nice (Sp): At will, Santa Claus can detect naughty or nice as a spell-like ability. This ability duplicates the effects of the spell detect naughty or nice.
Divine Grace: Santa applies his Charisma modifier as a bonus to all saving throws.
Lay on Hands(Sp): Santa can heal wounds by touch. Each day he can cure a total number of hit points equal to his Charisma bonus times his level.
Divine Health: Santa is immune to all diseases, including magical diseases such as mummy rot and lycanthropy.
Aura of Courage (Su): Santa is immune to fear (magical or otherwise). Allies within 10 feet of him gain a +4 morale bonus on saving throws against fear effects.
Smite Naughty (Su): Once per day, Santa may attempt to smite naughty with one normal melee attack. He adds his Charisma modifier to his attack roll and deals 1 extra point of damage per level.
Possessions: Amulet of proof against detection and location, boots of elvenkind, bracers of armor +6, crystal ball with detect thoughts, +5 dancing vorpal longsword, masterwork thieves' tools, ring of knock, ring of reduce, and sack of holding.