Brennan Donnelly is an American Instagram Star. Introduced to the world of social media in his younger sister’s popular YouTube channel ‘It's The Donnellys’ (formerly known as Flippin' Katie), Brennan has emerged as an internet celebrity in his own right. The eldest of three siblings, Brennan is a well-adjusted youth residing in a loving and caring household. His family gained fame because of Brennan and his siblings, all of whom are distinguished athletes. Since he was 9 years old, he has been playing water polo and has participated in the Junior Olympics, the ODP National Tournament, and in an international competition in Canada. He is also a member of the National Junior Honor Society. Encouraged by his sister’s online popularity and the fans he himself had garnered, he set up an Instagram account and posted his first photograph in August 2015. He has amassed more than 306,000 followers on his Instagram account. He is also popular on TikTok and has over 40.9k followers and 261k likes on the platform.
