According to this his name was György Kun; https://www.hangosfilm.hu/filmenciklopedia/dan-klari Unless someone has an objection, we can change his name to the one mentioned above.
I also read Kun, but it could also be that the name at birth was Kuti. I would mention both names until you know for sure.
Ok I just found his marriage record: https://www.familysearch.org/ark:/61903/3:1:S3HT-D4KF-QC I renamed him as Kun until Kuti can be found in another official document: