Detonator

The Detonator is an Emblem Heartless that is found in Kingdom Hearts 358/2 Days.

Design
A Deserter is a humanoid Heartless with green skin. It has large hands with white claws and wears tattered, black boots with curled toes. It also wears silver bracelets and black knee guards. Its pitch-black head and glowing yellow eyes are visible under its silver helmet, which is decorated by a curled antenna and two angular, white spirals. The Heartless emblem is emblazoned on its chest.

The Deserter's name is a military term that refers to a person who has been absent without leave for over thirty days. This reflects their normal behavior of avoiding conflict, unlike their relatives.

Strategy
The Detonator has the highest defense among the other "Bomb" Heartless and counts down more frequently. The explosion it makes is also the biggest, so it is best to attack it from afar. Also note that freezing a Detonator while it is counting down will freeze the countdown.