LandaPolish Nickname for a persistent and irritating person, from a derivative of the dialect verb landzić "to ask insistently, badger someone".
TassiItalian Could be a patronymic form of the given name Tasso, indicate the bearer is from one of several municipalities called Tasso, or be a nickname from Italian tasso meaning "badger (animal)" or "yew".
TassoniItalian Probably derived from Italian tasso meaning "badger (animal)", though it can also mean "yew (tree)".