This is the 8502nd most frequent Russian word.
никулин
"Никулин" is a Russian surname and does not have a definition; it is a proper noun.
In this sentence, 'Никулин' refers to Yuri Nikulin, a historical figure known for his contributions to cinema and circus arts.
Никулин был известным советским актером и цирковым артистом.
Nikulina was a famous Soviet actor and circus performer.
Here, 'Никулина' is used to indicate the participation of the actor Nikulin in the movies.
Мы смотрели фильмы с участием Никулина вчера вечером.
We watched movies featuring Nikulin last night.
In this context, 'Никулину' is used to denote the subject of the exhibition, Yuri Nikulin.