brute is a class of monster.. they include the monkey looking things around ayothaya and all the big-foot shaped things.. and other such monsters...
large is a size of a monster. smokie, i believe, is a brute monster, but is small in size, whereas bigfoot if a brute monster but is large sized. (or maybe he's medium, don't remember)
you can go to ratemyserver.net for all the sizes and types of each monster.
