Captain Syrup. I am glad to not be the only one who supports her. After all, she IS the one that indirectly made Wario who he is today.

Therefore, she is worthy.
Lip. I do not mind if she gets included in the game. She needs long overdue credit for the "Nintendoized" versions of her game series, you know!
If there is one other female character that I consider to be worthy for Brawl, it is Tiny Kong from the Donkey Kong series.
Before you start using a flamethrower on me, please hear me out!
Why do I want to see Tiny Kong in Brawl? Here are the reasons:
1. She is NOT defenseless. In DK64, she fights using flip kicks, her pigtails and a feather crossbow. Also, she has a helicopter maneuver AND she can shrink down to tickle foes(case in point, the fight with Krusha Rool). How could these not be integrated into a potential moveset?
2. Her new look. Granted, it is radical. However, it is distinctive enough so that fans do not confuse her with Dixie. Besides, she looks more appealing this way.

3. Dixie might not be playable in the game. I have heard rumors on this forum that she appears as an alternate costume for Diddy. I do not mind if Dixie is playable or not. If she has to be replaced by her younger sister, then so be it. And besides, who else could Nintendo include as a representative for the DK series(aside K. Rool, which I also support), Chunky Kong? Lanky Kong? Candy Kong(aside her services in DKC and DK64, she does not contribute anything except eyeCANDY)!? CRANKY Kong(I doubt it)!!!???