When it comes to embarrassing Superman, Lex Luthor ain't got nothing on Dean Cain's mom.
After trying to quiet Mama Cain last night at Nobu, Dean then had to fight off a bizarro eco-freak -- who had the weirdest plan to stop global warming we've ever heard.
Superman's New Kryptonite -- His Mom!
5/12/2008 3:00 PM PDT BY TMZ STAFF
Get TMZ Breaking News alerts to your inbox