I'd like to say Zelda, but I didn't like PH. Actually, I didn't like most of the 2D ones. Oh, and Majora's Mask was a dissapointment - a huge one (the game is great, but OoT is my favourite game ever, so it had a lot to follow up to).
I'd like to say Mario, but he stars in several sports games I wouldn't like.
I'd like to say Metroid, but I didn't really like 2
I'd like to say Pikmin, but Pikmin 1 was rather dissapointing in a few areas. It also has too few games.
I could say Smash Bros... Yeah, Smash bros.
Mario Kart too I guess.
Wii series, but I haven't played Music.
Fire Emblem? Well, I wasn't too fond of 5, but that's a bit because it is so dated. I guess it could make the list.
Pokemon? No, I don't like several of the spinoffs, and D/P did dissapoint a bit.
Half-Life
Team Fortress (I played 1 for a bit too, even after I had 2)
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS