You don't suppose he feels... outnumbered?As for Hugh, I think there's not much to say because he's reliably funny but never really gets a chance to shine like Frankie, Dara and Russell seem to.
(yes, it took me THAT long to think up that "joke"...)
At times Hugh is my favourite and you can tell he is an actor as well because his performances on the last round (scenes we'd like to see) are brilliant and he always put a bit more in than standing there telling a joke.