User profile fields from 2.2.9 - postbit?

[jiffy]

Hi I'm in the process of upgrading a 2.2.9 board to 3.5.4 and one thing I'm looking to do is bring over the "trader rating" setup they had. I'm a bit of a noob so I need some help. Where in 2.2.9 is all the info under the user name, title, avatar, etc being pulled from? I assume there must be a php file with the the posting/profile info where I can pull the code and then duplicate it in the 3.5.4 postbit. I understand to edit the postbit in 3.5.4 to add it but don't know where to look in the old 2.2.9 forum to pull the code from.

Also I want to add the member number in addition to the join date. Any generous person out there want to tell me the code for the member number? Right now I'm just making custom profile fields and then adding the to them to the postbit so they show up in the posts.

I'm trying to duplicate the look from 2.2.9 shown here.