Hayden Christensen joins Ahsoka. Fans rejoice.

Hayden Christensen proved that if you're the villain long enough, you can become the hero

What a difference 15 years can make. Following the conclusion of the Star Wars prequels, there was very little fan enthusiasm surrounding characters from that film or their cast. It's not like fans were clamoring to see Hayden Christensen back on screen. But, those films have gained traction over the years. And even Christensen, who is, politely, not gr…