It's pretty well done. :3
Here are my thoughts:
I guess it would be nice to have a Slime as a 2nd Square Enix rep. It sounds pretty funny if you think about it. Maybe even creative. :3
Giana's definitely a nice touch for new characters, especially as an indie rep. I'd like to see what she can do, if she's a possible character. :3
As much as Bubsy isn't exactly my liked, or even my disliked character, he is the best fit for a joke character, compared to Shrek, Goku, etc. He would be equivalent to Ganondorf, in terms of being a fun charcter, if possible.
Is the Pokemon slot beside Piplup is a space for a Pokemon character? Or is it a surprise of some sort?
As a Dark Pit main, I personally think maybe he would have a moveset and statistics overhaul. Instead of being completely removed, he would instead use his Dark Pit staff. He would more lighter(if you get this, staff users works pretty much in a Glass Cannon class in Kid Icarus: Uprising), faster, but more fragile. His staff can be fired at a straight line at any direction, but the further the projectile flies, the stronger the projectile is. Side B would be his Ogre Club(or his EZ Cannon), and his Up B is still the Power of Flight. I would go more on Dark Pit's overhaul, but you might get my point.
I wasn't referring to Slime actually, I was referring to Klonoa...
You shouldn't look at a character based off of their default weapon but off their own merits. If you look past his default weapon Lloyd could be a really fun and unique addition and a great second Namco character.
But I'll wait till your updated roster.
Why not have both? ;3
Also, not to be rude, but Klonoa actually uses more than just his ring. Anyways, looking at Klonoa Heroes/Namco X Capcom, he is able to use his Ring as a projectile/attack, instead of just a grabbing tool. He uses a blade, hammer, arm cannon, shield, and a boomerang. Thanks to the said weapons that Klonoa can use, he can have a great amount of versatility, while some can be restricted in situational use. Weapons aside, he also have different abilities to help him, like the ability to float/fly for a short time in a similar fashion to Yoshi, etc. Even if Klonoa is completely restricted to throwing and grabbing, he can still have a way of attacking. For example, he can throw different types of enemies from his home series: Normal Enemies, Bomb Enemies, Ghost enemies, etc.
No need for bias on one character. I respect your opinion about Lloyd Irving, but there's no need to say that Klonoa can't fit in the game, simply because he has only a grab and throw. Again, I'm not trying to be rude, I just want to point things out for ya.