Contractor and metal sculptor Santiago Peña, who outfitted the interiors of Star Canyon and the defunct AquaKnox, has taken over the Routh Street building that most recently housed Enigma. Peña says he bought the building after Enigma operator Bob Bablu left the property that was once home to Routh Street Cafe. He plans to reopen it as Peña's, a restaurant serving Italian and Spanish cuisine...Alessio Franceschetti has severed his ties to eccolo Ristorante and enoteca, where he was front-of-the-house manager since the restaurant opened early last year. Franceschetti is currently doing a stint at The Loon on McKinney Avenue and says he will execute his next move in some six months...The still frenetically ambulant Steven Occhipinti, who was last seen as manager of restaurant operations at Voltaire, is back at Gershwin's, where he was front man late last year after the restaurant was taken over by chef Gaspar Stantic. Occhipinti didn't indicate where he might go next, but don't blink...The Melrose Hotel just announced that Doug Brown, who carved his reputation at Nana Grill in the Windham Anatole, is the hotel's new executive chef where he'll sling hash for the Landmark Restaurant and Library Bar. It also mentions that Brown is grunting for an M.B.A. from the University of Texas at Dallas. Maybe he needs something to fall back on.