[Kosta]

The decision has been made. The winner of this competition is KNJAZ!
Here is his answer:

Answer 1:

The picture in question 1 is in fact a picture from the cover of «Roberta Williams' Laura Bow: The dagger of Amon Ra», as seen below.

The game was relesaed in 1992, and was published and developed by Sierra On-Line, Inc. At the time a person called Lisa Crabtree was working at Sierra as a desk receptionist and was asked by Roberta Williams* to pose as a model for the game cover. She actually said she found it cute when people asked her where have they seen her (Lisa) before.

Answer 2:

The game in question would have to be «Command & Conquer» (Developed by Westwood studios and published by Virgin Interactive Entertainment in 1995). And the man in the picture goes by the name of Eric Gooch. As seen in the picture below he played the role of Seth in the game animatics.

He was also one of the assistant producers of the game.
Gooch is currently employed at Insomniac Games as a visual effects artist.
You can find more info on him at www.cybergooch.com

Answer 3:

The characters in the pictures are of course B.J. Blazkowicz (from Wolfenstein 3D) and Billy Blaze (a.k.a Commander Keen). B.J's full name is William Joseph Blazkowicz while Billy's is William Joseph Blazkowicz II, and the two are in fact grandfather and grandson. Billy's surname is Blaze because his father had changed it for show biz.

Answer 4:

The person in particular is named Rowdy Roddy Piper. The resemblance between him and Duke is obvious as you can see from the pictures below.

Piper was famous for his career in WWF and has also starred in such movies as «They live» where he actually used the line «I'm here in this town to kick behind and chew bubblegum……..and I'm all out of gum» which we know Duke also uses in the game. An important fact is that Rowdy wasn't actually assigned to pose as a model but we know that the creators of Duke ripped off almost everybody and everthing so they used Rowdy's appereance in the movie «They Live» to create Duke.

Answer 5:

The only time an ID's character flaunted his body was Billy Blaze(Commander Keen) in «Commander Keen 4: Secret of the Oracle».

As you can see in the picture above, Commander Keen is 'mooning' us. Shame on you Billy. For a player to actually see this disshonorable act he would have to do the following:
1) Start a new game of Keen 4.
2) Go to the Moon Pyramid, named Pyramid of the Moons.
3) Step on a moon drawing on the floor.
4) Wait. Instead of his idle habit of reading a book, Keen will "Moon" you! Only works once per gamefile.

I would also like to congratulate Timpsi, Kon-Tiki and rudhraigh as they also got all the questions right!