I usually don't pay attention on who makes the voices of who, bc seiyuus acts with their voices and they have wide registers so, bluntly, I usually don't recognize them LOL
BUT!! There's a seiyuu I'll always recognize bc I fell in love with his voice tone: Kenjirou Tsuda.
He did the voices of Mikoto Suoh in K, and Nico from Gangsta. (and many oyhe...... reply
