1. They are! A lot of the non-lore codex entries are easter eggs heh. I always grin when people catch them and know the reference ^^
2. You can press tab and/or hold CTRL---it's a Renpy shortcut for toggling skip. But I can keep this in mind for a future update to have the quick menu show during that time :)
3. His asset is just not in the game---EA reason! I didn't have the bandwidth to include it upon EA release since that and some other art assets are missing </3 It'll eventually be there for Full Release though!