A horrible joke. The Blue is from the Psionics Handbook. No background that I can think of really as of yet.
The Black and Blue (Blue + Half-Black Dragon)
Small Dragon
Hit Dice: 1d10+1 (6)
Initiative: +0
Speed: 30 Ft
AC: 19 (+1 Size, +4 Natural, +4 Inertial Armor)
Attacks: Bite +3 Melee, 2 Claw –2 Melee; or javelin +1 ranged
Damage: Bite 1d4+3, Claw 1d3 +1; or javelin 1d6+3
Face/Reach: 5 Ft. By 5ft/5ft
Special Attacks: Breath Weapon
Special Qualities: Darkvision 60 ft., psionics, Low-Light Vision, Immunities
Saves: Fort: +1 Ref: +2 Will: +2
Abilities: Str:16, Dex:11, Con:13, Int:14, Wis:14, Cha:10
Skills: Hide +6, Listen +4, Move Silently +6, Spot +4
Feats: Inertial Armor
Climate/Terrain: Temperate and warm land and underground
Organization: Solitary, patrol (1-2 blues and 4-8 goblins), task force (2-4 4th-level blue psions and 4-8 3rd-level goblin warriors), or part of goblin organization (1 4th-level blue psion per 20 goblin adults)
Challenge Rating: 2
Treasure: Standard
Alignment: Usually Neutral Evil
Advancement: By character class (usually psion)
Combat
Breath Weapon (Ex): A Black and Blue can breath a Line of acid 5 ft. high, 5 ft. wide, and 60 ft. long dealing 6d4 damage, A reflex save DC: 17 halves damage. This is usable once every 1d4 rounds.
Immunities: A Black and Blue is immune to sleep and paralysis effects, and is immune to damage from Acid.
Psionics (Sp): At will - charm person, far hand, and finger of fire. These abilities are as the powers manifested by an 8th-level psion.
Attack/Defense Modes (Sp): At will – ego whip, mind thrust/empty mind, mental barrier
Skills
Black and Blues gain a +4 racial bonus to Move Silently checks.