edit:Oh, so all I'd really need to buy would be a new PHB? I think I can swing that if it is really important.
Ok, I used an online java generator that uses 3.5 rules, since I dont have access to those books currently. I didn't realize the str bonus was so high, I may redistribute points again to give him some more skills... Consider this a very rough draft of the mechanics side of Aodhan:
Aohdan
Male Centaur Monstrous Humanoid 1
Chaotic Neutral
Representing Yttermayn
Strength25(+7)
Dexterity18(+4)
Constitution18(+4)
Intelligence12(+1)
Wisdom11(+0)
Charisma8(-1)
Size:Large
Height:6' 1"
Weight:around 800 lb
Skin:Light
Eyes:Black
Hair

ark Brown; Straight; Average Beard
Total Hit Points: 12
Speed: 50 feet
Armor Class: 16 = 10 +4 [dexterity] -1 [large] +3 [centaur]
Touch AC: 13
Flat-footed: 12
Initiative modifier:+4= +4 [dexterity]
Fortitude save:+4= 0 [base] +4 [constitution]
Reflex save:+6= 2 [base] +4 [dexterity]
Will save:+2= 2 [base]
Attack (handheld):+7= 1 [base] +7 [strength] -1 [large]
Attack (unarmed):+7= 1 [base] +7 [strength] -1 [large]
Attack (missile):+4= 1 [base] +4 [dexterity] -1 [large]
Grapple check:+12= 1 [base] +7 [strength] +4 [large]
Light load:
Medium load:
Heavy load:
Lift over head:
Lift off ground:
Push or drag:
532 lb. or less
534-1600 lb.
1602-2400 lb.
2400 lb.
4800 lb.
12000 lb.
Languages:Common Goblin Sylvan
Feats:
Stealthy
Traits:
Skill NameKey
AbilitySkill
ModifierAbility
ModifierRanksMisc.
Modifier
AppraiseInt1 = +1
BalanceDex*4 = +4
BluffCha-1 = -1
ClimbStr*9 = +7+2
ConcentrationCon4 = +4
Craft_1Int1 = +1
Craft_2Int1 = +1
Craft_3Int1 = +1
DiplomacyCha-1 = -1
DisguiseCha-1 = -1
Escape ArtistDex*4 = +4
ForgeryInt1 = +1
Gather InformationCha-1 = -1
HealWis0 = +0
HideDex*3 = +4+1-4 [large] +2 [stealthy]
IntimidateCha-1 = -1
JumpStr*15 = +7+8 [speed 50]
ListenWis4 = +0+4
Move SilentlyDex*6 = +4+2 [stealthy]
Perform_1Cha-1 = -1
Perform_2Cha-1 = -1
Perform_3Cha-1 = -1
Perform_4Cha-1 = -1
Perform_5Cha-1 = -1
RideDex4 = +4
SearchInt1 = +1
Sense MotiveWis0 = +0
SpotWis0 = +0
SurvivalWis0 = +0
SwimStr**7 = +7
Use RopeDex4 = +4
* = check penalty for wearing armor
Centaur:
Monstrous humanoid type. Darkvision.
Large quadruped, carries 3x as much for a given strength
+4 against being bull rushed or tripped
Base land speed is 50 feet
Darkvision to 60 feet
Hoof attacks 1d6/1d6, may be secondary attacks (-5, half strength bonus)
Level adjustment +2
+3 natural armor class
ClassHP rolled
Level 1:Monstrous Humanoid8
Aohdan's Equipment:
_____
64 lb
Weapons / Armor / Shield (from above)
Backpack
Chalk
Crowbar
Flint and steel
Grappling hook
Mug
Oil flasks x4
Pouch x4
Rations (1 day) x7
Rope (50', hempen) x2
Sealing wax
Sewing needle
Torches x5
Waterskins x3
Whetstone