Fintan mac Bóchra

A figure of medieval Irish tradition who survives the Flood and lives to give eye-witness accounts of the history of Ireland
See also references for related subjects.
Bondarenko, Grigory, “Fintan mac Bóchra: Irish synthetic history revisited”, in: Maxim Fomin, Václav Blažek, and Piotr Stalmaszczyk (eds), Transforming traditions: studies in archaeology, comparative linguistics and narrative: proceedings of the Fifth International Colloquium of Societas Celto-Slavica, held at Příbram, 26–29 July 2010, 6, Łódź: Łódź University Press, 2012. 129–147.
Eprints.ulster.ac.uk: <link>
Nic Cárthaigh, Emma, “Surviving the flood: recenants and antediluvian lore in medieval Irish texts”, in: Jason Harris, and Kathy Cawsey (eds), Transmission and transformation in the Middle Ages: texts and contexts, Dublin: Four Courts Press, 2007. 40–64.  
abstract:
Analyses characters in early Irish literature who embody the theme of transmission and transformation through surviving as repositories of antediluvian lore in the form of shape-shifters and mythic visionaries (exemplified by Tuán mac Cairill and Fintan mac Bóchra).