Wants - Shrek wants to have piece and quiet on his swamp
Needs - He needs to learn that being alone isn't better for him, he needs friends
Flaws - Shrek is selfish and only see's Fiona as a trophy to get what he thinks he wants
Change - Shrek starts to fall in love with Fiona
Conflict - Fiona is to be wed with Lord Farquaad, he fights to have her.