Characters that could benefit the next Super Smash Bros.

Nintendo Insider writes:

The next generation of Super Smash Bros. for Wii U and 3DS have been in development for a while now, and I am sure Masahiro Sakurai and his team are considering many possible additions to the new games, leaving eager fans of the series such as myself to speculate just what those might be.

Here are a few characters that I would like to see in the next Smash Bros games and feel could be beneficial for them.