I own this shirt and have been wondering is there a sort of font where like every letter is different like this?

Try jokerman it's not exact but...it has letters that are different

Or "Scruff LET Plain"...

Perhaps one of these?
http://www.dafont.com/kingthings-extortion.font?fpp=50&af=on
http://www.dafont.com/laundromat-1967.font?fpp=50&af=on
http://www.dafont.com/anonymous-clippings.font?fpp=50&af=on