This guy is running against Ellison: http://www.garyinthehouse.com
As you can tell, he's an obvious fake Democrat. He's attracting some attention because of some amateurish ads he's running with graphic images that have caused local news stations to run apologetic news stories explaining why they are required under federal law to air them. BTW he doesn't even live in Minnesota, he lives in West Virginia, even his official address on the Minnesota SoS site says so.
Got to wonder if he'll even break 10%. Wouldn't surprise me, open primary after all.