This is an Illustrious style lora for the character Grrkek from the cartoon Megas XLR.
A weight of 1 to 1.5 works well with this with most models with best results around 1.35. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 5 to 7.
Prompts for this lora are ( Grrkek, muscular, monster, ).
Sometimes adding ( red skin, red body, ) to the prompts can help make the picture.