try this:
Human(Large size: due to Spell(see Equipment)
Fighter 4/ Bard 4/ Dragon Disciple 4Attributes(28pt buy):26 Str(base 14 +4 Item +2 lvl +4 DD +2 Size)
16 Dex(base 13 +1 lvl +4 Item -2 Size)
16 Con(base 14 +2 Item)
13 Int(base 13)
10 Wis(base 10)
14 Cha(base 12 +2 Item)
Feats:Combat Expertise(Human bonus)
Exotic Weapon (Spiked Chain)(Fighter bonus)
Improved Trip(Fighter bonus)
Weapon Specialize(Fighter bonus)
1st lvl: Imp Initiative
3rd lvl: Weapon Focus(Spiked Chain)
6th lvl: Blind fight
9th lvl: Dodge
12th lvl: Multi Attack
+3 Natural Armor
2d8 Breath Weapon(1/day)
2x Claw(1d6)
Bite(1d8)
Equipment:(88000gp budget)13250gp +3 Mithral Spiked Breastplate(light Armor, +8 Armor bonus, +5 max dex)
11325gp +1 Spellstoring Adamantine Spiked Chain
12000gp Boots of Speed
3460gp Permanently enlarged at lvl 16 CL
16000gp +4 Belt of Str
16000gp +4 Gloves of Dex
4000gp +2 Amulet of Con
4000gp +2 Cloak of Cha
3000gp Wand of Extend Spell
2000gp +1 Ring of Protection
300gp Wand of CLW(20 charges)
150gp wand of shield(10 charges)
2250gp Wand of Vampiric touch(5th lvl caster)10 charges
8gp Locked Gauntlet
87773gp spent
Spells per day:3/3/4
Spells known:0-lvl:
Flare
Ghost Sound
Lullaby
Resistance
Mage Hand
open/close
1st lvl:
Hideous Laughter
Hypnotism
Grease
2nd lvl:
Rage
Heroism
Tactics:cast Vampiric Touch into Spellstoring weapon
cast buffs..... Heroism, Rage, Grease on Armor(gain +10 vs Grapple), Shield
Charge.... attack with Trip Attack... wack when he is down
Full Attack next round .... repeat