Plump

Plump rolls down the lane then makes zombies turn fat for 5 seconds doing 1 damage every second.

Almanac Entry
"I like having plum pudding I have it for every meal. Wait what did you say pudding is not good for you?  Oh, no wonder I've been sick all lot lately.

Trivia

 * The pun is Plum and Plump
 * The full explanation is in the infobox
 * He just rolls down his lane penetrating through zombies
 * He is instant use