I actually like Jonathan Pearce (I know many don't) . His commentary on the Ukraine v Sweden Euro 2012 game was outstanding - he really got into the spirit of the occasion, with a mixture of passion and also some interesting facts and local colour for those unfamiliar with Ukraine and its capital.
I've noticed a tendency with some commentators notably Guy Mowbray to intersperse their commentary with obviously rehearsed punning soundbites which no doubt appeal to many but I find a bit grating.
I also find Alan Green irritating - he thinks he has the right to be insufferably rude and boorish - for example when slagging off the stadium announcer during England v France.
I do like Jackie (Jeckie!) Fullerton, on BBC N Ireland - and his "Ballymena grey perm" :-)
Apologies if I've told this story before but when N Ireland played the Czech Republic in Prague a few years ago, this commentator's "legend" status was confirmed by the reaction of the away fans who, to the bemusement of the locals, answered every chant of "Chekhiya!" with the reply "Fullerton!" -