To make D' Lo Brown and Mark Henry come out together, Give Mark Henry D'Lo Brown's music and put them together in a Tag Team Match.
To do your opponent's pose, simply wiggle the control stick up and down very fast, for example you can get Shawn Michaels to a Cactus Jack's patented ''Bang, Bang'' pose.
In order to create your own female wrestlers, choose any male wrestler in edit mode. (Preferably, an Original) Go into his menu, and choose clone. Go select any female wrestler, and then clone. Now, you can edit a female wrestler! However, you can only choose from female character models (E.G., Chyna, Debra...) rather than custom-select clothing and body type. Several female models, not seen anywhere else in the game, can be chosen, as well as the odd crash test dummy from move demos.
This will only work in single player matches. If your wrestler is the first person in the ring, hold R+L+C-up+C-Down+Z on controller 3 and your manager will be controlled by player 3. If your person is the second person in the ring, Hold R+L+C-up+C-down+Z on controller 4 and your manager will be controlled by player 4.