As Sega looks to turn more of its videogames into other forms of entertainment, it has hired former Break Media executive Evan Cholfin to lead those efforts. Cholfin now serves as head of development and production at Tokyo-based Stories International, a joint venture of Japanese gamemaker Sega and Hakuhodo DY Group (the world’s seventh-largest advertising agency) that was launched to produce films, TV shows and entertainment for digital platforms in 2011. Of the vast library of titles that Stories has the rights to adapt, it’s moving forward with “ Altered Beast ,” “ Streets of Rage ,” “ Shinobi ,” “ Rise of Nightmares ” and “ Crazy Taxi ” first as English-language live action and animated spinoffs. “ Virtua Fighter ” and “ Golden Axe ” also are part of the portfolio of properties. Cholfin, who will work closely with Stories president and CEO Tomoya Suzuki, based in Culver City, Calif., also will serve as Stories’ U.S.-based commercial and branded entertainment arm, connecting