...I don't remember all original creators...
Zerox for ripping the Two Across Keyblade from KH 2
Conny Bengtsson and Raph_The_Great for the animations
And Square Enix for alot of stuff
The Full Credits:
Square Enix - Squall from Dissidia Final Fantasy, head base and Void Gear keyblade from Kingdom Hearts Birth by Sleep
大傻 (Big Idiot) [not an offensive name] - Leon/Squall from Kingdom Hearts II, base model
Medrop - Two Across Keyblade (Zerox did not rip it actually)
Blizzard, Conny Bengtsson, and Raph_the_Great - animations
Whitewolf8 - all the model and texture edits
Single Keyblade:
Dual-wield: