Ghost_of_Kyiv
Helicopters during first battle of Hostomel airport and some aircrafts also Il-76 in 26 of Feb were lost thanks to Ukrainians Mig-29. There is now an urban legend created during Kyiv sige that this is an one Pilot who alredy shot down 6 aircrafts and many helicopters.
https://en.wikipedia.org/wiki/Ghost_of_Kyiv