The comedians
Each film goes to the first of ten comedians, in a fixed order, found among its first fifteen cast names.
The order
Vadivelu, Nagesh, Vivek, Santhanam, Soori, Yogi Babu, RJ Balaji, Sathish, Redin Kingsley, Karunakaran.
The rest
Two hero-comedy shelves, to 2012 and from 2013, and one shelf of comedy series.