LONDON:-British acting star Damian Lewis on Sunday revealed that former US President Barack Obama had offered him advice in playing a charismatic hedge fund manager in hit television series "Billions". When asked by the BBC's Andrew Marr if his character Bobby "Axe" Axelrod glamorised Wall Street bosses, Lewis replied: "I'm going to drop a name here and I'm going to enjoy it enormously. "The (then) president of the United States Barack Obama did say to me a few months ago, 'I'm loving Billions, I'm loving your character in it, I'm loving Bobby.