Wendall Lumos was the CEO of Gadgetron Corporation, the largest gadget and weapon supplier in the Solana Galaxy. He ran the Gadgetron Site on Kalebo III. He had a reptilian-like appearance and appeared to be the same species and/or possibly related to the Gadgetron vendor tradesman.
Ratchet & Clank
He was not concerned one bit about Drek's invasion because Kalebo III's defenses were "the best money can buy." Ratchet volunteered to be a star on their newest line of Hoverboards, by winning a hoverboard race. The CEO also gave him the Hologuise. He had a surprising appearance, resembling the salesman at the vendors of Ratchet & Clank.
Ratchet & Clank: Up Your Arsenal
In Ratchet & Clank: Up Your Arsenal, there was an option to check your memory card for Ratchet & Clank save data and get a discount on Gadgetron products. Wendall Lumos appeared on the image which appeared when you highlighted the option. Wendall also said in Ratchet & Clank that the employee discount kicks in two years; Up Your Arsenal was released two years later.