LOS ANGELES (Reuters) - Elijah Wood and Robin Williams are in negotiations to reprise their roles as lead voices in Happy Feet 2. George Miller is back in the directors chair for the Warner Bros/Village Roadshow sequel to the 2006 Oscar-winning animated hit. Wood will again play Mumble, the penguin who cant sing but can dance the tuxedo off any waddler around him. Williams is back as (what else?) the hyperactive and wisecracking penguin Ramon; he also voices Lovelace. Miller wrote the new script, whose details are being kept on ice. Animal Logic again is producing the animation. The original Feet grossed almost $198 million at the domestic box office, winning a slew of awards and landing on numerous year-end top 10 lists. Wood recently wrapped the ensemble indie drama The Romantics, with Katie Holmes, Anna Paquin and Adam Brody. He was in the voice cast of the animated fantasy 9, released earlier this year. Williams is onscreen in Disneys Old Dogs and is attached to star in the studios comedy Wedding Banned.