Who's your favorite seiyuu/voice actors for uke and seme characters in drama cd/animes?

Aah there are actually many but for semes either Yuki Ono or Tomoaki Maeno and ukes Ken Takeuchi, Takahiro Mizushima, Yuki Kaji, Hiro Shimono or Matsuoka Yoshitsugu. What about you guys?ლ(´ڡ`ლ)