Kiwibeast

Kiwibeast is a new premium plant in Plants vs. Zombies 2, released with the 5.1 update. It bounces creating shockwaves that hurts every zombie around it, similiarly to Phat Beet. Also it is a growing and defensive plant, and the more zombies eat it the larger and more powerful it will become. When transformed zombies near him will be bounced two tiles back.

Plant Food effect
When fed Plant Food, Kiwibeast will grow to its last stage and deal massive damage on a area around him.

Trivia

 * Kiwifruit, Kiwi (another unused plant in Plants vs. Zombies: All Stars) and Kiwibeast are the only plants that are based on kiwis.
 * Kiwibeast and Fire Peashooter is the first plant that was discarded and left unused that was reintroduced back in the game.
 * Both happen to be premium plants.
 * Kiwibeast, Sun-shroom, and Strawburst are the only Plants vs. Zombies 2 plants to have growth stages.