It's Tommie Gorman.
also Adrian Eames of RTE is a big Rovers fan - Stephen kenny was giving him some fierce strange looks in the press box during their radio commentary as Adrian was waxing lyrical about the home side on friday night last against Drogheda.
Dermot Mannion, Aer Lingus CEO is a verified Rovers supporter.
I presume the Galway boys will lay claim to Padraig O Ceidigh (sic) of Aer Arann.
The late Frazer Brown seems to be generally acknowledged as Sligo's best known fan.
In Dundalk, Mary McGelligot was a legend when I was growing up. She'd send shivers down the spines of manies a referee as she shrieked from her place in the stand. Vincy Cranny as well - he sat on the sidelines with the red cross people and had to be restrained more than once from chasing after players with his walking stick..