The name that is transliterated as «Nicolaus» (also: Nicholas or Nicholaus) in English is translated in Libras (Brazilian Sign Language) with the sign for «victory of the people» (the meaning of the name). (Source: Missão Kophós )
«Nicolaus» in Libras (source )
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .