Those characters, although won't stay in the party formation for long, will accompany Simon and co. during one (or more in some cases) part of their journey.
“One of the more mentally developed orcs found along Simon's journey, Ralke could be considered...Ralke
“The Impaler is another oddly intelligent orc that you encounter, but unlike Orcent, he is...The Impaler
“A result of the orc breeding program developed by Balia and auspicied by Simon. So far, his...Implevon the Third