Alright the things that are possible:
Level, xp, bounty, playtime, killcount, deathcount, K/D ratio, event points, amount of converted event points to coins, contribution points to clan, is leader of clan, how many times you've been the champion in DT, amount of rebirths, amount of successful referrals, a badge for having all badges.
Things regarding "amount donated" will not be added since not everyone wants that to be public.
Check the following 2 character pages for an update on the badges, by Shino:
http://fgunz.net/character/view/%5E1Cersion%5E4
http://fgunz.net/character/view/%5E2BearZ%5E4
Will update if I can find more things.