I don't know if I was the first person to spot that Liam Neeson has slowly turned from being an actor's actor, who appeared in movies such as Schindler's List, Husbands and Wives, The Mission and A Prayer For The Dying, into a full-on action movie star, but I was probably the first to nominate him as Hollywood movies' greatest martial arts actor. Five years on, though, pretty much everyone has realised it, with 'Liam Neeson' actually becoming a genre in its own right (ie "Now that's what I call a Liam Neeson movie: guy looking for a family member goes on killing spree to get them back. Doesn't star Liam Neeson though.").
In fact, there's even a "Liam Neeson Kill Map" that you can use to find out where in the world Liam Neeson has killed people, in what movie and how many. Handy, hey?