This is...I don't want to call it little known, since it feels like everyone has at least HEARD of this movie, but it's not exactly popular, and not exactly got a huge fanbase. It really is the definition of a cult classic. It's about a kid from upstate New York, who heads to the Big Apple with his twin brother in tow.
Oh, his twin brother was a conjoined twin. Who got removed. As a giant head with arms. And somehow survived being surgically removed. And lives in a basket. And wants revenge on the doctors. Yeah, it's odd, and cheap, and very Triskable.