The address used by @Ombakbanyu (0x6a21b6868b3c8cf8ea15511077a8bd5afc4fd9a2) has also been used by
Del VT21, who was recently tagged by @lovesmayfamilis for exactly the same thing, using someone else's data to register in bounties so that's just another proof that Zugezt and Ombakbanyu are controlled by the same person as M.O. is the same.
ETH Wallet Address: 0x6a21b6868b3c8cf8ea15511077a8bd5afc4fd9a2
I will tag those accounts and best thing you can do is to contact bounty managers of those campaigns so they get removed.