Unggoy Minor

Grunt Minor is the lowest and most common Covenant Unggoy rank.

Rank
Minors are the lowest form of rank in the Grunt ranking system, essentially being little more than cannon fodder. Although, in large numbers, they prove much of a threat. Bearing light-orange methane breathers and armor, Elites and Brutes often send them into battle with little or no compunction. They are almost always infantry and are the most common and most easily killed enemy in the Covenant Army.

They are known to carry Plasma Pistols, Needlers, and rarely Fuel Rod Guns. The only time in Halo 2 that they use Plasma Rifles is on the level "Delta Halo", the Grunts on the Shade turrets at the bridge have Plasma Rifles but most of the time they stay on the turret until death so they don't use it against you. When playing as the Arbiter, you can also give them one. In the level Uprising, they can hold a Rocket Launcher if you give it to them. They are one of the most common enemies, tied only with the Flood Infection Forms. However, on Heroic and especially Legendary difficulties they are somewhat uncommon, mostly replaced with Grunt Majors and Ultras.

Minors are the rough equivalent off the UNSC Private. Theoretically equal in rank to Kig-Yar Minors, they will often be seen with several other Grunt Minors, usually being led by a Major Grunt, Elite or Brute. If their leaders are killed, they will either lose their morale and flee, send wild plasma bolts flying in a desperate attempt, or in Halo 3, arm plasma grenades and run toward you in a suicidal attempt to take you with it. Once they flee, Minor Grunts are easy to kill.

Appearances
Unggoy Minors are one of the most commonly encountered and iconic enemies throughout the Halo trilogy. They appear in almost every level where you meet Covenant in all 5 Halo games. They are even considered cute among some fans. Unggoy Minors seem to panic only when their leader is killed. Although, when being swarmed by Flood for instance, Minors will panic and run away if not killed already. As mentioned before, Minors have appeared in Halo, Halo 2, Halo 3, and Halo 3: ODST as well as in many of the books.

Minors have made appearences in:

Halo:Combat Evolved

 * Pillar of Autumn: Unggoy Minors were probably the most common enemy in this level. They were mixed with the less plentiful Majors and near the end of the level are seen in huge packs, sticking close to each other for protection.
 * Halo: There were dozens, perhaps even hundreds, of Minors on this level. Again, they were probably the most common enemy encountered.
 * The Truth and Reconciliation: Mainly encountered on the ground, rather than on the ship itself. On the ship, they were less common than Major Unggoy.
 * The Silent Cartographer: Encountered at random with Majors, yet still extremely numerous.
 * Assault on the Control Room: There were slightly more of them than than on the Silent Cartographer.
 * 343 Guilty Spark: Fleeing through the swamp and patrolling the Flood Containment Facility. Most of these were "curl-back" Unggoy.
 * Keyes: 'On this level, Minors were actually rare. Their role was taken by Majors and later by SpecOps Grunts.

Halo 2
Minor Grunts appeared less often in higher difuculty levels.

Trivia

 * Minor Grunts usually don't throw Plasma Grenades, but when they do, they sometimes throw it at point-blank range and result in killing themselves instead of you. However, if the Catch skull is on, these Grunts can be much more dangerous and throw grenades very often.
 * Essentially, the only weapon that might have a hard time killing Minor Grunts would be the Plasma Pistol from Halo 2, but even then, it can kill them quickly if you know how to use it.
 * Minor Grunts are usually led by a Minor Domo or a Grunt Major. They will usually run in fear and attempt to find cover if their leader(s) have died, though they will often regain composure and attempt to shoot after ten to fifteen seconds or if they are cornered.
 * In Halo: CE and Halo 3, the Minor Grunts' armor is light-orange, but in Halo 2, it appears to be a more "creamy" orange.
 * In Halo 3, Grunt Minors are less common. Instead, the player usually fights Special Operations Grunt, which are pearl'ish silver in color and take much more damage.
 * Often in Halo 3 on higher difficulties, Grunt Minors are more likely to become Kamikaze Grunts.
 * In the Halo 2 Official Guide, Grunt Minors are said to have yellow armor, but they actually wear orange armor.
 * It is virtually impossible for a Grunt Minor to kill a Marine on Easy, and it would have to take a fairly large group with at least a single Major to kill them on Normal.

Grunt Minor