I’m not so sure about this 'character studies' stuff, but I’ll give it a try...

For #1 :

Emmett & Brian : Shining & Untitled, by mojokid
>> http://mojokid.livejournal.com/24618.html

Brian : Flight, by etharei “A glimpse of Brian through a perceptive trick's eyes.”
>> http://rei-of-writing.livejournal.com/3597.html

Ben : Between Here and Gone, by thistlerose “Post-513. Ben looks back.”
>> http://archiveofourown.org/works/792813

Justin : Outside, by Katy Zapatka “Post-122, AU. Justin does not need anyone, anymore.”
>> http://www.qaf-fic.com/atp/viewstory.php?sid=916

Ted : A Tragedy in Three Parts, by soundczech “Ted falls in love with Justin.”
>> http://soundczech.livejournal.com/59851.html

Michael : With All the Love That Never Occurred Between Us, by throughadoor
>> http://obsessivetendencies.net/fiction/michael.html

For #2 :

Joan : This Life, by tigbit
>> http://tigbit.livejournal.com/22325.html

Hunter : A Superhero, by mojokid
>> http://mojokid.livejournal.com/22267.html

Jennifer : The New Black, by mojokid
>> http://pulsefic.livejournal.com/9703.html