Making tier lists can be fun, though I don't put much stock in them.
http://www.mmcafe.com/tiermaker/ggxx/index.html?tc=ya0-trdsg5daeb9ee6h5eai78jbkcdf5afbce7e28kbtg4kscb9ug39ncdd8cdc38kmpcdjhg6g88jj0ccf06lh2ccf4cdhmg4fng6f8ea-bkg-naSym
S Zappa
S- Jam, Faust, Dizzy, Chipp
A+ Millia
A Baiken, Pot, Johnny, Bridget, Slayer, I-no, Testament, Anji
A- Axl, May, Ky, HOS, Eddie
B+ Justice, Kliff, Sol, Aba, Roboky, Venom