Replying...
Intro. White tubbie was on a military base, after all the massacre in Tubbie Land where he had been in charge of taking care of 4 experiments, tinky winky, dipsy, laa laa and po, one day everything went really wrong and they killed each other, White contacted the foundation that was in charge of all the experiments to report on everything that happened and as a thank you the coat foundation rescued him from that horrible place and took him to the military base where he would be safer while everyone from the Foundation investigated what was going on, White was not happy with all that so he also decided to start an investigation together with his friend from the military base Lenny another humanoid tubbie like the one they seek to unmask all the experiments that the Foundation does.

White Tubbie \[guardian\]

@Noah