lunatico significa in inglese

mercurial▼(having a lively or volatile character, see also: animated; changeable; quick-witted)
adjective
[UK: mɜː.ˈkjʊə.rɪəl] [US: mər.ˈkjʊ.riəl]

moonstruck▼(crazy or insane when affected by the phases of the Moon)
adjective
[UK: ˈmuːn.strʌk] [US: ˈmuːn.ˌstrək]