Michael O'Leary

Presenting the low cost airline's year-end financial figures in May 2005. Photograph: Fiona Hanson/PA

Mr O'Leary uses an actor dressed as Winston Churchill as he presses home his point during August's security scare. Photograph: Graham Turner/Guardian

Ryanair chief executive Michael O'Leary launches online bingo and gaming on November 1 2006. Photograph: Chris Young/PA

Launching a new base in Rome. Photograph: PA

Mr O'Leary dressed in a snowman costume to launch a winter seat sale in July 2004. Photograph: Scott Barbour/Getty

Promoting another cheap fares offer Photograph: PR

Dressing as an ancient Roman to announce new business at Rome Ciampino airport in September 2004. Photograph: EPA

At Pescara airport in Italy in 2001 to promote Ryanair's new routes. Photograph: Thomas Frey/EPA

Dressed as a highwayman, during a press conference in 2005 to draw attention to a fuel surcharge which British Airways passes on to passengers Photograph: Martin Godwin/Guardian

Ryanair CEO Michael O'Leary with a visual projection across his face announces the low-cost airline's drop in net profits in London in 2004 Photograph: JOHN D MCHUGH/AP

Irish Ryanair airline manager Michael O'Leary makes the victory sign as he poses for photographers next to a Boeing 737 plane at Lavacolla airport in Santiago de Compostela, Galicia, northeastern Spain Photograph: Lavandeira jr/EPA