1. Watch the intro I'm not going to be using. 2. Click "See inside" and click the only sprite in the bar. 3. Go to "Costumes" and change "SYMBOL/LOGO" and "NAME" to what you want. 4. Keep a copy of the edited sprite in your Backpack menu below. It can be transferred to other projects.
1 photo added to my storage. {Credit to @Melike314}.