Minecraft player gamer skin
Give Command (must be placed on a command block) - 1.20.5+
/give @p minecraft:player_head[
minecraft:profile={
properties: [{
name: "textures",
value: "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHBzOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzYzYjg1MTEyZTEzZWM0ZjgyY2U5MDEzNTRlY2QwOTUxYjY1ZjhiY2MyOWNmMzE4YTAzMGRhNjE4YTk5Yjk3MDQifX19"
}]
}
]
Other skins and textures
