Maybe being first to market is overrated. Ted Cruz just became the first major 2016 presidential contender. Cruz is a controversial Senator most well-known nationally for a 21-hour filibuster against Obamacare, during which he read Green Eggs and Ham. Here are five things you need to know about Ted Cruz.

+ Cruz was born in Canada. So how can he be eligible for president? (I’ve been writing-in Justin Bieber for years.)