Robot trains

He is a green and yellow robot train, he watches over the fountain square, he is highly respected even by Kay, while Jeffrey is wise but can be strict, he can stop trains with the command "stop", creates magnetic force fields to protect others or stop falling objects, his system stores all the training programs for robot trains (because of which Alf can call him a "running museum")

They call him Hercules, Victor is the most powerful train in the world, he is straightforward but kind-hearted, sometimes he can be strict and harsh, which is why he is mistakenly considered evil at heart, he is a romantic, loves to admire the scenery, also a robot train

Becky is Selly's little wagon who can only say her name, but Selly understands her.

She is the mistress of the Sunny City, Selli worries about her residents and also about her little train car, Becky, to whom she treats almost like a mother by profession: an expert software engineer, together with Becky's assistant, she diagnoses and fixes technical problems, she is also a robot train

He's special—an amphibious train, yellow in color, that can travel not only on rails but also on water. He's the team's leader in the sea zone. He's clumsy and a little silly, but he's also loyal, positive, and a very kind friend.

A red and white robot train, a jack of all trades and therefore often called a mechanic, Alf fixes everything and is therefore very valuable to the team. He can be serious, but at the same time he has a gentle, kind and timid character, he will never abandon a friend in trouble.

A blue and white robot train, the team's leader, brave and determined, but can sometimes be boastful and overconfident. His specialty is his incredible speed and ability to open closed tunnels.