I've turned my speculation in one thread about the Juna (of Spelljammer), Tiraphegs (from the 1st edition fiend folio) & Synads (from complete psionic), into something a little more concrete.The Ancient JunaIn ancient times at least one civilization took the concept of the ‘Rule-of-Three’ to be more than a mere idea. They were a civilization known as the Juna, one of the elder races that ruled much of the Material Plane for a time.

Large Magical Beast (Extraplanar) Hit Dice: 4d10+16 (38 hp) Initiative: +1 (+1 Dex) Speed: 60 ft. Armor Class: 16 (-1 Size, +1 Dex, +6 Natural), Touch 10, Flat-f Base Attack/Grapple: +4/+14 Attack: 1 head-butt +9 melee (1d8+6)

Tiny Magical Beast (Extraplanar) Hit Dice: 1d10 (5 hp) Initiative: +3 Speed: 40 ft., climb 20 ft. Armor Class: 15 (+2 size, +3 Dex), touch 15, flat-footed12 Base Attack/Grapple: +1/-11 Attack: Bite +6 melee (1d3–4 plus disease)

Medium Magical Beast (Extraplanar, Evil) Hit Dice: 6d10+12 (45 hp) Initiative: +6 (+2 Dex, +4 Improved Initiative) Speed: 90 ft. Armor Class: 16 (+2 Dex, +4 Natural), Touch 12, Flat-footed 14 Base Attack/Grapple: +6/+9 Attack: 1 bite +9 melee (1d6+4)

Medium Undead (Extraplanar) Hit Dice: 9d12 (58 hp) Initiative: +4 Speed: 40 ft. Armor Class: 17 (+4 Dex, +3 natural), touch 14, flat-footed 13 Base Attack/Grapple: +4/+5 Attack: +10 melee (1d4+3/19-20 plus poison, +1 cold iron dagger)

Tiny Undead (Extraplanar, Incorporeal, Swarm) Hit Dice: 6d12 (39 hp) Initiative: +6 Speed: Fly 50 ft. Armor Class: 16 (+2 size, +2 Dex, +2 deflection), touch 16, fla Base Attack/Grapple: +3/— Attack: Swarm (2d4 Cha damage)

On the Shadow Plane