Use rubbing alcohol on a cotton ball or paper towel
Gently rub the Sharpie marks
Wipe with a damp cloth
Repeat if needed
Try hand sanitizer on the marker stains
Use a Magic Eraser lightly
Apply a baking soda paste and wipe off
Use acetone-free nail polish remover sparingly
Wash the area with mild soap and water
Dry the pumpkin with a clean towel