Io Dungeons and Dragons 
 4th edition art of Io / Asgorath

 

Name: Io, Asgorath the World Shaper, The Great Eternal Wheel, The Ninefold Dragon
Origin: Dungeons & Dragons
Gender: Likely both
Classification: Greater deity, Primordial, chief god of Dragons
Age: Likely existed since the dawn of the multiverse
Powers and Abilities: Superhuman physical traits, immortality (type 4), teleportationenhanced sensestelepathyshape and size shiftingflightenergy projectionreality warpingmagic allowing for various effects such as elemental manipulationtelekinesismind manipulationtime manipulationspatial manipulationsoul manipulation, divination, summoningbanishmenthealingresurrection, death magic, probability manipulation and magic dispelling. Is immune to fire, acid, cold, electricity, death effects, poison and disease, energy draining, mind manipulation, transmutation or any magic that would imprison or banish him. Highly resistant to magic, can understand and speak all languages, can create avatars of himself, can grant powers.
Weaknesses: None notable
Destructive Capacity: at least Universe level+, likely Multiverse level (as a greater god and the head of the dragon pantheon he should be comparable to the likes of Mystra or Shar) 
Range: Multiverse level
Speed: At least MFTL+ (greater gods can casually increase their size to dwarfing star systems), can likely increase this to immesurable levels with magic
Durability: at least Universe level+, likely Multiverse level
Lifting Strength: At least Class M normally, multi-stellar with size-shifting, can likely be increased to immesurable
Striking Strength: Superhuman in normal form, Class XPJ with size-shifting, can likely be increased to immesurable
Stamina: Limitless in his realm, otherwise godly
Standard Equipment: none notable
Intelligence: Nigh-omniscient in anything reagrding Dragons, otherwise vastly superhuman
Notable Attacks/Techniques:

Magic: as a greater power Io can employ nearly any divine spell known to men, he can also use arcane magic.

Avatars: Io can create avatars of himself with a fraction of his power. He can employ around 20 of these at the same time.

Notable OBD Victories:

Notable OBD Losses:

Other: Note that this profile only covers the Forgotten Realms version of Io. Other versions from other settings may vary.
Also there are conflicting lore about him, with some souces naming him a primordial fighting the gods and other a god fighting the primordials, in both sources he is not currently an active deity.