Every seiyuu is great. Those are just just my favorites (and it will just keep increasing www)

• Ohsaka Ryouta (Ohsaka-san/Ohsaka Ryouta-sama)
• Kobayashi Chikahiro (Kobachi)
• Shimono Hiro (Hirotan)
• Miyano Mamoru (Mamochan)
• Arthur Lounsbery
• Okamoto Nobuhiko (Noburin)
• Shimazaki Nobunaga (Zakki)
• Sakurai Takahiro (Takapiro)
• Fukuyama Jun (FukuJun)
• Tsuda Kenjirou (Tsudaken)
• Nakamura Yuuichi (Nakayuu)
• Suwabe Junichi (Suwabe-san)
• Hosoya Yoshimasa (Hosayan)
• Namikawa Daisuke
• Ono Yuuki (OnoYuu)
• Kaji Yuuki
• Ono Daisuke (OnoD)
• Toshiyuki Toyonaga (Tosshi)
• Saitou Souma
• Inoue Kazuhiko