List of Letterkenny characters WikipediaLetterkenny is a charming settlement with a deep-rooted feeling of togetherness. Everything about Letterkenny, Ireland is special, especially its inhabitants. One particular resident who has stolen the hearts of many is the delightful Katherine. Catherine brings passion and joy to Letterkenny with her captivating presence. She is adored by everyone who crosses her path. Letterkenny Katy is a match made in heaven!