I think it's leonardo davinci.

I upvoted you,it might be small probably because my voting power is reduced, but it's just a sign of my good will.

Am on a contest now and I really need your vote. All you need do is click this link https://steemit.com/contest/@jaynie/the-never-would-i-ever-challenge-3-sports

And then upvote my comment @stellastella in the comment section.
That will help me win the sports contest. Thanks a lot for your anticipated help. You can join the contest also if you desire. Thanks alot for your help