Onion Knight paper model taken from Dissidia: Final Fantasy, he's wearing an alternate outfit based on Luneth (FFIII protagonist).
Dissidia - Luneth Onion Knight Paper Model [Download]
Dissidia - Garland Papercraft [Related Posts]
Dissidia - Terra Brandford Papercraft
Dissidia - Tidus Papercraft
Dissidia - Warrior of Light Papercraft
Dissidia - Sephiroth Papercraft