Bumbino

Bumbino is a boss added in The Binding of Isaac: Repentance that can appear in all environments of Chapter 2 (Caves, Catacombs, Flooded Caves).

Behavior[ | ]

Bumbino slowly moves towards Isaac and can perform the following attacks:

Swipes forward to clear a path to Isaac if Bumbino is obstructed by obstacles while chasing him.
Performs two swipes, one in Isaac's direction, followed by another swipe in the opposite direction; these swipes can break obstacles. Then slams the ground, releasing 8 rock projectiles in all directions as well as 4 rock waves diagonally.
- If Bumbino hits a wall or a pit with a swipe he is momentarily stunned, interrupting this attack and causing rock projectiles to fall from the ceiling.
- His swipe attack will also deflect incoming projectiles.
Charges in Isaac's direction when vertically aligned with him and a wall, breaking all obstacles caught in his path. Bumbino will become stunned upon impacting the wall, launching a cluster of rock projectiles in the opposite direction and causes rock projectiles to fall from the ceiling.
- If Isaac is close to the impact, he is pushed away.
Launches a Butt Bombs Bomb in Isaac's direction.

All of Bumbino's attacks deal 1 Heart of damage.

Additionally, Bumbino attempts to pick up any dropped Coins, similar to Ultra Greed, but without the healing.

He prioritizes picking up coins on the ground over attacking.
He cannot pick up Sticky Nickels, but will try indefinitely if one should spawn in the room, effectively anchoring him to one spot.
Getting hit by Bumbino's swipes may sometimes cause Isaac to drop coins.
- Isaac will drop coins even if he's immune to damage through any means. This includes Tainted Forgotten's skeleton.
If Bumbino picks up 12 cents worth of coins, he drops an extra item from the following list and then leaves the room:

Name	ID	Quote	Description	Quality
<3	5.100.15	HP up	Grants Isaac one Red Heart container and fully restores Isaac's health.	2
Butt Bombs	5.100.209	Toxic blast +5 bombs	+5 Bombs. Bombs now cloud up the screen, briefly damaging and confusing all enemies.	2
Lemon Mishap	5.100.56	Oops...	Creates a tiny pool of yellow creep, damaging enemies that cross it.	0
Monstro's Tooth	5.100.86	Summon Monstro	A friendly Monstro jumps on a random enemy, dealing 120 area damage. Targets Isaac if used in a room without enemies.	1
Number One	5.100.6	Tears up + range down	Grants +1.5 tears, but severely reduces range.	2
The Common Cold	5.100.103	Poison damage	Adds a chance to shoot poison tears, dealing damage over time when inflicted.	1
The Poop	5.100.36	Plop!	Spawns a pile of Poop where Isaac is standing and knocks back nearby enemies. May yield pickups like regular poop.	0
Yum Heart	5.100.45	Reusable regeneration	Restores one full Red Heart.	1
Compound Fracture	5.100.453	Bone tears!	Increases Range. Tears turn into bones, which shatter into 1-3 bone shards upon hitting an enemy or obstacle.	3
Dead Tooth	5.100.446	Toxic breath	While firing, Isaac gains a green aura that poisons nearby enemies.	1
Sinus Infection	5.100.459	Booger tears!	Adds a chance to fire a booger that sticks to enemies and deals damage over time.	3
Bone Spurs	5.100.683	Break your enemies	Enemies spawn floating bones on death, which block shots and damage/repel enemies that touch them.	2

Audio Clips
Bumbino growling.
Bumbino performing a swipe attack.
Bumbino performing a slam attack.
The noise Bumbino makes upon slamming into a wall.
Bumbino getting stunned after slamming into a wall.
The sound Bumbino makes upon being defeated.

Bumbino is based on Bumbo, an item in-game and the main character in The Legend of Bum-bo, another game developed by Edmund McMillen in 2019.
All items dropped by Bumbino reference the gameplay symbols from The Legend of Bum-bo: Pee, Poop, Hearts, Bones, Snot, and Teeth.
The name "Bumbino" is a portmanteau of "Bumbo" and "Bambino", the Italian word for child.
Bumbino's slam attack may be a reference to the Wario Land games, as he slams with his shoulder forward, mimicking Wario's Shoulder Bash move.
Bumbino's voice is noticably deeper pitched than Bumbo's from The Legend of Bum-bo, despite resembling him.
Bumbino's ingame face resembles the Newgrounds emoticon "Agnry Faic", which is also represented as a Co-op Baby called Boss Baby.
Taking Knockout Drops as Keeper will give him an expression resembling Bumbino.
Bumbino does not have a sprite for his delirium form.
Bumbino's voice actor is Andy Serkis
Bumbino's behavior is like Hulk or King Kong