Good desing and\or character development. And just not terrible kit. For me it's enough. Still I guess it's impossible (I have no ideas about it) to make character that I would like more than Lancelot so... yeah.

I dont know if a banana outfit will help in a fight with a gorilla

But would be considered a taunt in that case

Just being cool and fun to Play, He doesn't need anything Special or OP, just a respecatble toolkit.

That's why I Like Mori, Lu bu and Spartacus (I know He isn't st but whatever) that much

Well the ideal ST Zerk would probably have at least some parallels to a Banana

Or so I 've heard