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Robbie has a light blue body, and a yellow head and feet. He has dark blue hair in two spikes, and has red pupils. Robbie shares a similar appearance to Raymond.
Gaston is also light blue colored. He has gray tube-like arms. Gaston also has a big yellow mouth, and it looks like it is stuck in that position. He has a gray screw on one side of his head and black pupils. Gaston shares a similar appearance to Jethro.
- Although Robbie appears in the show, Gaston doesn't, so there's a chance that Gaston is not cannon.