Characters in The Hostile Hospital

Violet Baudelaire

The eldest Baudelaire, an inventor, who ends up at the centre of Olaf's scheme at the hospital.

Also in The Bad Beginning, The Reptile Room, The Wide Window, The Miserable Mill, The Ersatz Elevator, The Vile Village, The Carnivorous Carnival, The Slippery Slope, The Grim Grotto, The Penultimate Peril

Klaus Baudelaire

The middle Baudelaire, a voracious reader, who searches the Library of Records for clues about V.F.D.

Also in The Bad Beginning, The Reptile Room, The Wide Window, The Miserable Mill, The Ersatz Elevator, The Vile Village, The Carnivorous Carnival, The Slippery Slope, The Grim Grotto, The Penultimate Peril

Sunny Baudelaire

The youngest Baudelaire, whose sharp teeth and biting remarks serve the siblings in a tight spot.

Also in The Bad Beginning, The Reptile Room, The Wide Window, The Miserable Mill, The Ersatz Elevator, The Vile Village, The Carnivorous Carnival, The Slippery Slope, The Grim Grotto, The Penultimate Peril

Count Olaf

The orphans' scheming pursuer, who infiltrates the hospital under an alias.

Also in The Bad Beginning, The Reptile Room, The Wide Window, The Miserable Mill, The End

Esme Squalor

Olaf's accomplice, who arrives at the hospital's Library of Records with a plan to destroy its files.

Hal

A hospital worker who keeps the Library of Records and helps the orphans search it.

The Hook-Handed Man

One of Olaf's troupe, who appears under an assumed name.

The Bald Man with the Long Nose

One of Olaf's troupe, who appears under an assumed name.