Here's a photoshopped pic of the original scanned line drawing of the two headed troll.
And what the heck, here are the stats for it.
Two-Headed Troll
Large Giant
Hit Dice:7d8+42 (74 hp)
Initiative: +2
Speed: 30 ft.
AC: 19 (-1 size, +2 Dex, +8 natural)
Attacks: 2 claws + 10 (+5 Base, +6 strengh,-1 size) melee, 2 bites + 5(+5 Base, +6 Strength, -5 Secondary attack,-1 size) melee
Damage: claw 1d6+6, bite 1d6+3
Face/Reach: 5 ft. by 5ft./10ft.
Special Attacks: Rend (2d6+9 claw, 2d6+4 bite)
Special Qualities: Regeneration 5, scent, darkvision 90 ft.
Saves: Fort +11, Ref +4, Will +4
Abilities: Str 23, Dex 14, Con 23, Int 8, Wis 10, Cha 6
Skills: Listen + 12, Spot +12
Feats: Alertness, Iron Will
Climate/Terrain: Any land, aquatic, and underground.
Organization: Solitary or gang (2-4)
Challenge Rating: 6
Treasure: Standard
Alignment: Always chaotic evil
Advancement: By character class