Frifle and the Grey Mauser

Frifle and The Grey Mauser are NPCs that appear in Enter the Gungeon, as well as being the main characters of the Enter the Gungeon Digital Comic.

Function

Once rescued, Frifle and The Grey Mauser will appear in the lower right area of the Breach, offering quests to the player to hunt members of the Cult of the Gundead. After completing these 'Hunting Quests' by tracking down and slaying enemies within the Gungeon, they will reward the player with 5 and an item or gun unlock.

After completing all Hunting Quests which have set unlocks, they will continue to provide contracts for randomly chosen enemies, and will give only as a reward.

General Hunting Tips

It is advantageous to unlock all shortcuts, since certain enemies are only found in specific Chambers, making it faster to shortcut directly to their location when hunting them down. Additionally, unlocking all shortcuts unlocks Boss Rush, which is a useful way of guaranteeing the appearance of a Boss for boss hunts.
- The selection of starter guns offered by the Resourceful Rat after taking a shortcut only change after the Chamber's boss has been defeated. If one of the items proves particularly powerful in farming a Chamber for enemy kills, it may be more beneficial to restart before the boss to guarantee getting that weapon again.
Hunt progress is saved regardless of the outcome of a run. The player may quit, return to breach, quick restart, die, or win, while still keeping hunt progress.
Rainbow Runs are an effective way to quickly gain powerful equipment for enemy hunts, partiularly when utilising shortcuts.
- Unlike guns provided by the Resourceful Rat, the contents of a Rainbow Chest are different every run.
Activating Turbo Mode and/or toggling on "Increase Speed Out Of Combat" in the options menu can greatly increase the speed of enemy hunts.
The Marines all-round versatility and the Convicts high damage output make them both ideal candidates for early-game enemy hunts.

Set Contracts

Contract	Valid Enemies	Req Kills	Unlock	Tips
Bullet Kin	Bullet Kin AK-47 Bullet Kin Veteran Bullet Kin Bandana Bullet Kin	200	Sling	Bullet Kin are among the most common enemies, and can be found plentifully throughout the Gungeon.
Blobulon	Blobulon Poisbulon Blizzbulon Leadbulon Poopulon Bloodbulon Blobulord Tiny Blobulord	60	Elephant Gun	Blobulons are common throughout the Gungeon. Only full size Blobulonians count for this quest, therefore Blobuloids, Poisbuloids, Blobulins, and Poisbulins do not count.
Hollowpoint	Hollowpoint Spirat	40	Unicorn Horn	Hollowpoints are common throughout the Gungeon, but are most frequent in the Hollow.
Gunjurer	Gunjurer Apprentice Gunjurer High Gunjurer Lore Gunjurer	40	Bundle of Wands	Gunjurers are common throughout the Gungeon, but are most frequent in the Hollow.
Beholster	Beholster	3	Pig	The Beholster appears on the Gungeon Proper. It is most efficient to either restart the Gungeon Proper with a shortcut, or (if it is unlocked) play Boss Rush to guarantee encountering the Beholster.
Mimic	Chest Mimic (All Colours) Pedestal Mimic Wall Mimic Door Lord	3	Mimic Tooth Necklace	Investigate every Chest by shooting it, to check if it's a mimic. Mimics are more likely to appear the higher the players curse is. Avoid using the Ring of Mimic Friendship, as this item prevents Mimics from spawning.
Gun Nut	Gun Nut Spectral Gun Nut Chain Gunner	25	Gunknight Helmet	Gun Nuts appear in most Chambers, however they are most plentiful in the Forge.
Bullet Shark	Bullet Shark Great Bullet Shark	35	Compressed Air Tank	Bullet Sharks are most common in the Gungeon Proper, where some rooms can contain up to 6 sharks.
Lead Maiden	Lead Maiden	25	Rattler	Lead Maidens are most common in the Gungeon Proper, which will usually contain 2-3 Lead Maidens each run. Fridge Maidens in the R&G Dept. do not count.
Gunzookie	Gunzookie Gunzockie	30	Snakemaker	Gunzookies are most common in the Black Powder Mine and Forge.
Shambling Round	Shambling Round	20	Cat Claw	Shambling Rounds are found in the Black Powder Mine.
Shelleton	Shelleton	20	Shellegun	Shelletons are found most commonly in the Hollow, which usually contains 2-3 Shelletons per run. Ammomancers spawn Shelletons as their primary attack, and are able to spawn up to 3 Shelletons if not killed. Keeping an Ammomancer alive can be an effective tactic to farm Shelleton kills.
Shroomer	Shroomer	30	Makeshift Cannon	Shroomers appear most commonly in the Oubliette, although they can also be found in the Forge.
Kill Pillars	Kill Pillars	3	Gunzheng	The Kill Pillars appear within the Hollow. It is most efficient to either restart the Hollow with a shortcut, or (if it is unlocked) play Boss Rush to guarantee encountering the Kill Pillars. This quest requires killing all four Kill Pillars 3 times, not just killing 3 individual Pillars.
High Dragun	High Dragun	5	Grey Mauser	The High Dragun is the sole boss of the Forge. It is most efficient to restart the Forge with a shortcut. The Advanced Dragun does not count.

Random Repeat Contracts

These hunting quests are used once the list of set hunts is exhausted. One from the below table will be chosen at random.
The contract will always require 20 kills, and reward 5.

Contract	Valid Enemies	Tips
Hollowpoint	Hollowpoint	Hollowpoints are common throughout the Gungeon, but are most frequent in the Hollow.
Shambling Round	Shambling Round	Shambling Rounds are found in the Black Powder Mine.
Gunsinger	Gunsinger Aged Gunsinger Ammomancer	Jammomancers and Jamerlengos do not count.
Gun Nut	Gun Nut Spectral Gun Nut	Gun Nuts appear in most Chambers, however they are most plentiful in the Forge. Chain Gunners do not count.
Agonizer	Agonizer	Agonizers are most common in the Hollow and Bullet Hell.
Muzzle Wisp	Muzzle Wisp Muzzle Flare	Muzzle Wisps are most common in the Gungeon Proper and Forge.
Det	Det	All varieties and orientations of Det are counted for this hunt. Det are found most commonly in the Black Powder Mine.
Coaler	Coaler	Coalers appear most commonly in the Black Powder Mine.
Gigi	Gigi	Gigi appear most commonly in the Keep of the Lead Lord. Parrots do not count.
Bullet Shark	Bullet Shark Great Bullet Shark	Bullet Sharks are most common in the Gungeon Proper, where some rooms can contain up to 6 sharks.

Other Appearances

Frifle and The Grey Mauser are the main characters of the Enter the Gungeon Digital Comic, which details the misadventure that led them to enter The Gungeon, as well as their initial exploration within.
Frifle and The Grey Mauser are the subject of Enter the Gungeon Steam Trading Card 9, titled Frifle and Mauser.

Lore

Frifle and The Grey Mauser were mercenaries in the broader galaxy, until taking an ill-fated contract from a mysterious Killithid to steal an artefact known as the Golden Bird from the planet Donpatchee. While breaking into the temple on Donpatchee to steal this item of religious importance, Frifle and Mauser accidentally alert the temple guards and release the bird, leading to its death.

Now hunted by an angry horde of recently-godless fanatics, and terrified of the wrath of their employer, Frifle and Mauser fled to the Gungeon in an attempt to undo their mistake. However, despite their convictions, Frifle and Mauser were unsuccessful at reaching The Gun, witlessly stumbling into a cell while fleeing from the Gatling Gull in the Gungeon Proper, whereupon they would later be discovered by the Gungeoneers.

Notes

Frifle holds the Winchester Rifle.
Frifle and the Grey Mauser are a reference to Fafhrd and the Gray Mouser, the main characters of a number of high fantasy adventure stories by American author Fritz Leiber.
- The name of The Grey Mauser is also a reference to Mauser, a German arms manufacturer.
How Frifle and Mauser came to be trapped in a cell is different in Enter the Gungeon and the Digital Comic. While in Enter the Gungeon Frifle describes being surrounded by the Gundead, in the comic they unknowingly stumbled into their cell of their own accord.
- However, this may be Frifle lying in Enter the Gungeon in an attempt to save face.