And a fusion:
There are 16 persons in that group pic, from left to right:
1st fusion) Shinobu and Akane
2nd fusion) Ryoga and Ataru
3th fusion) Azusa and Konatsu
4rd fusion) Kuno and Tofu
5th fusion) Young Cologne and Lum
6th fusion) Kodachi and Nabiki
7th fusion) Mendo and Mousse
8th fusion) Ukyo and Mikado
9th fusion) Genma and Soun
10th fusion) Tsubasa and Hinako
11th fusion) Cherry and the little brother (Brat) of Lum (Flamethrower) his name is 'Ten'
12th fusion) Rei and Taro
13th fusion) Shampoo and Benten
14th fusion) Normal Ranma
15th fusion) Kasumi and Sakura
16th fusion) Happosai and Snow Queen