Hello Csaba,
I though Pánczél had three kills in the Reggiane and four kills in the Messerschmitt (?)
http://www.cieldegloire.com/008_panzel.php
Hello Peter,
Bonet had only one kill in the Fiat G.55, I think. But I'm not absolutely sure.
https://it.wikipedia.org/wiki/Giovanni_Bonet
Gorrini and Drago may have flown the G.55 but they made no claims in it.
http://surfcity.kund.dalnet.se/italy_gorrini.htm
http://surfcity.kund.dalnet.se/italy_drago.htm
Cheers,
Michael