Cougar Type I - Made by Hideyuki Hata (秦秀幸) from Team Wolf Hound.
Cougar Type II [Assault Arms Equipped] - Made by Kawamura Hideya (河村秀也)
Cougar Type I for Vigado Type II [Heavy Arms Equipped] - Made by Satoshi Makoto Aya (丹文聡)
Images are from Moeyo.
Also, according to Kotobukiya's official blog, Cougar Type I is now sold out on the manufacturer's side and will be reissued in April.
For your information, Cougar I was released just three days ago (January 26th). ^^;
Information is from Kotobukiya's official blog.