Hello, I am Andrew.
I have created a lot of sudoku puzzles and a few killer sudokus, hidokus, futoshikis and gogens.
You can see them all here: https://andrewspuzzles.blogspot.com/
I also run a group on Facebook called Sudoku Puzzles, which has over 18,000 members: https://www.facebook.com/groups/722318601312015/