Origin: Mario Bros
Gender: Male
Classification: Koopa
Age: Unknown
Tier: Varies; Ranges from Tier 6-B to Tier 5-A in Base Form | Tier 8-A in Giant Form, likely higher | At Least 5-B with the Star Rod (Possibly Tier 2-A) | Tier 2-B with the Power Stars
Powers and Abilites: Super Strength, Super Speed, Invulnerability, Flight, Teleportation, Telekinesis, Pyrokinesis, Electrokinesis, Terrakinesis, Sonic Roar, Shockwave stomp, Dark Magic, Reality Alteration, Spatial Manipulation, Can summon minions, Can shoot Meteors, Several others.
Destructive Capability: Varies; Ranges from Street Level to Country Level+ (transformed nearly all the Toads from the kingdom into objects). Multi-Planetary level in Mario Party 9 | Multi-City Block Level+ in Giant Form, Country Level+ by powerscaling | At Least Planet Level+ with the Star Rod (Possibly Multiverse Level+) | Multi-Dimension Level+ with the Power Stars
Strength: Class TJ (destroyed a good chunk of his fortress with a punch). Lifting strength is Class G. Higher in Giant Form
Speed: Massive Hypersonic+ reaction speed (managed to react to Mario who is faster than cannon balls with Hypersonic reactions). FLT flight speed with Grand Star.
Durability: Varies; Ranges from Large Building Level+ to Solar System Level+ | Mountain Level+ in Giant Form (took hits from a mountain sized robot) | At Least Planet Level+ with the Star Rod
Note: He should be comparable to Dark Bowser who was going to blow up all the kingdoms with his magic:
http://www.narutoforums.com/blog.php?b=21786
And his TK is in the megaton range: