Billy
He is the main protagonist of the story - a young boy who dreams of owning his own sweetshop. He meets the animals from The Ladder less Window-Cleaning Company by chance, and begins to work for them, resulting in many adventures.
Giraffe
One third of The Ladder less Window-Cleaning Company, he is also known as the "Generous Giraffe." This is because the only thing he eats are pink and purple tinkle-tinkle tree flowers. He is stated to have an extendable neck.
Pelican
One third of The Ladder less Window-Cleaning Company, he is also simply known as, ‘Pelly.’ He complains about the taste of the fish in London and complains of not being able to eat salmon. He is stated to have a flexible upper beak.
Monkey
One third of The Ladder less Window-Cleaning Company, he is also known as, the ‘Dancing Monkey.’ He complains about the taste of the food in London and complains of not being able to eat walnuts.
The Cobra
He is a criminal and is known as being one of the most dangerous cat burglars. He attempts to steal the jewels at the Duke of Hampshire’s house, but is foiled by Billy and the members of The Ladder less Window-Cleaning Company.