Handwriting is not excluded.
This looks like handwriting.
Draw it with any software with graffiti function
Recommend picsart
There are many kinds of brushes.
Many adjustable brush settings
Just save it after painting.
Software.
You can use a cool logo.
I only know this one. Do you have many "signatures" in the App Store?
Generate the website directly: Http://w.jiqie.com/a/1.htm.
Remove the spaces!