Each member of the Kingsguard is pure infantry and they're amazing troops to have.
They NEVER have a problem with the companions in the above list but they do not necessarily have good personality types.
Anyways, there are 8 Kingsguard and they all are eligible (as far as I know) to become a member of your party. I have no idea if there is another way to recruit them. They have to have bee taken prisoner and you must rescue them. You can recruit every single member of the Kingsguard. In no particular order, here are the 12 companions:
You'll be able to have the most companions with a diverse skill set who all have 'good' character archetypes. This is the best mixture of size and character type that I've found in the game. Here is a list of favorite companions in the A World of Ice and Fire Mod.
