Click on the the cat with the + at the bottom right.
Select a letter from your name. You need to do this for all the letters in your name.
You need to animate each of the letters in your name.
Click on the Events at the left, then choose "When [flag] click" and move it to the right.
Then add what you want to do.
I added a repeat loop, then made it turn 36 degrees 10 times. I also added a 1 second wait, otherwise, the thing will spin too fast.
You can get ideas of what to do to animate your name on Scratch. Click on animate my name and then look at the tutorial or look at Coding Card.