In Minecraft, players can choose between the default skins of Steve or Alex, however there is a way to make custom skins and apply them in the game.
MC Skin Editor
Minecraft Skin Maker: How to make your own skins, skins
How to use the skin maker in Minecraft 1.19
Skin for Minecraft by 6S MOBILE
How to Create Custom Minecraft Skins – MelonCube – Blog
How to load your own skins and reset your skins
Custom Skin Creator on the App Store, skin editor
Custom Skin Creator on the App Store, skin editor
3D Skins Maker for Minecraft 1.5.5 Free Download
Minecraft Skins: How Hard Is It To Make Your Own?
Skin Pack Maker for Minecraft - Apps on Google Play
Minecraft Skin Editor, How to make and upload your own custom skins
Minecraft Skin Editor, How to make and upload your own custom skins
3D Skins Maker for Minecraft - Apps on Google Play
SkinGenerator: Make Minecraft Skins with AI - AI Tools Explorer