A) Hashirama, Tobirama, Madara
B) Hiruzen Sarutobi, Danzo and other(village elders)
C) orochimaru, Tsunade, Jiraya, White Fang, Minato, Dan Katō
D) Kakashi, Guy, Asuma, Itachi, Shikaku, Iniochi, Chōza Akimichi, Shibi Aburame, Obito, Kabuto
E) Naruto, Sasuke, Sakura, Kiba, Ino, Neji, Hinata, Shikamaru, lee, Chōji Akimichi, Shino, Tenten
one thing i have 2 include Minato in C generation bcus he lies in between of C & D gen. Similarly Itachi also lies in between D & E gen. so guys plz dont take any offence and also have written mostly d strong names of their gen.