Yam-mer

Yam-mer is found in [insert game here], obtained in [insert world here] in [insert level here].

Overview
Yam-me, once planted, he explodes after 2 seconds (no area damage, only kills zombies in it's tile), creating repetitive and irritating sounds that bounce across the screen. The sounds damage zombies, and as the sounds hit zombies, they split into two sound waves. The damage decreases over time, and you can tell how much damage they can do by transparency and how many times it hits a zombie.

Suburban Almanac Entry
Yam-mer

Yam-mer creates repetitive sounds that last forever.

DAMAGE: Varies

RANGE: Everywhere

RECHARGE: Very Slow

"I'M YAMMERIN', YA' HEAR?! YAMMERIN' IS MAH HOBBY, YA' HEAR?! ARE YOU EVEN LISTENIN' TO ME?!"

Plant Food
Yam-mer has no plant food effect.

Quotes
Yam-mer says a sentence before exploding. Here are the list of possible things he can say:
 * "I'M YAMMERIN'!"
 * "HEAR ME OUT!"
 * "EAR BLEEDIN' YET?!"
 * "YAMMER TIME!"
 * "YAMMER ON!"
 * "*mumbles*"

Trivia

 * The name is a portmanteau of "yammer" and "yam".
 * Yam-mer says something before exploding.