Prompt
"Generate a realistic portrait of Howard Webb, a middle-aged British man with a authoritative presence, wearing a formal referee uniform, standing confidently with a whistle in hand, set against a subtle background that hints at his achievements in football refereeing, such as a faint image of a football stadium or a referee badge; incorporate a dignified and serious expression, reflecting his notable career as a football referee, including the 2010 FIFA World Cup Final and 2010 UEFA Champions League Final; style: realistic, formal, and professional."