Robot Trains

Robot Trains is a South Korean cartoon about a world populated by trains in which special trains that can transform into robots go on adventures to build an intercontinental railroad and rebuild their home, the fountain plaza, while defending against viruses and powerful villains. There are three seasons of Robot Trains, however, only the first two are available streaming on various services in the United States as of Jan 2022

Main Characters:

(Season two):
 * Kay
 * Duck
 * Alf
 * Selly
 * Becky
 * Victor
 * Jeffrey
 * Duke
 * Janne
 * Stella
 * Genie
 * Maxie
 * Gary
 * Sam
 * Mikhail
 * Igor
 * Train X
 * Mos
 * Dos
 * Jose