CatBall

CatBall is a rare cat that can be acquired from beating Realm of darkness.

Pros

 * Insane speed and health
 * Blocks waves and is immune to them
 * True form has great attack rate (2 seconds)
 * Short attack animation
 * Can be used to chunk off enemy hp
 * ===cons===
 * Crap range.
 * Not the greatest attack power (however,catplanet deals 39,200 damage,which is very good).