if you just want the beard, cap, costume, just use mario as prompt, that will override the original messy mario, to new one,

if you want the mario itself, you sould use " mario character ", but still hard to bring.

you can make something like " wearing mario costume " too!

if u are using additional networks, this exist:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

you can adjust the weight to gain similarity:

How to use LoRA's in auto1111 - thanks lykon:

• Go to your extensions tab, click install from url

• Enter this https://github.com/kohya-ss/sd-webui-additional-networks in the box

• Go to the installed tab

• Press Apply and Restart UI

• Go to stable-diffusion-webui\extensions\sd-webui-additional-networks\models\lora

• Add your LoRA's there

• Press "refresh model list" in the additional networks tab

• Select your LoRA, click Enable and adjust the weight according to your preferences