Boss

For the type of monster, see Boss Monster.

List of Bosses

Neutral Route

Toriel

Papyrus

Undyne

Mettaton EX

Asgore

Photoshop Flowey

True Pacifist Route

Asriel Dreemurr

Genocide Route

Undyne the Undying

Mettaton NEO

Sans

List of Midbosses and Minibosses

Napstablook

Doggo

Lesser Dog

Dogi

Greater Dog

Shyren

Mad Dummy

Mettaton

Royal Guards

Muffet

Amalgamates

So Sorry

Glyde

Mad Mew Mew

All items (27)

• #
• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z
• Other