Toxic Brainz

Toxic Brainz is a Legendary and toxic variant of Super Brainz in Plants vs. Zombies: Garden Warfare 2. Similar to other Legendary variants, he has a passive ability, this ability is called "Toxic Overload". However, rather than getting vanquishes to fill the meter like other Legendary variants, the player is only required to get successful hits with their punches to fill the meter. Once the meter is full, he will receive a temporary speed and damage boost. Toxic Overload mode will also strengthens the Toxic Aura of the zombie for the duration of the ability.

Trivia

 * In the League of Awesome quest, the player must find and recruit Toxic Brainz in the sewers as part of the league. In order to do this, you must free him from his "Prison of Stench" (Chomp Thing).
 * His body seems to made completely out of green goo, which may be toxic waste.
 * Toxic Brainz and Disco Chomper are the only two Legendaries that fill their meter in unique ways. Toxic Brainz must fill his meter with successfully landed punches.Whereas Disco Chomper must eat his victims to fill his meter, rather than vanquishing them with his bite or damaging abilities.