Hitmonlee
Go Go Gadget Legs!
Barbaracle
Gadget-hands that pop out of his hat, and Gadget Arms
Klinklang
Duh
Midnight Lycanroc
Bipedal dog who follows him around to keep him from getting killed, and isn't Lucario
Gumshoos
Inspector/Detective
Electrode
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Actually, for a "Go-Go Gadget Challenge Mode" run, you could run a team of Pokémon traded from a different trainer ID, leveled just high enough that they always either loaf around or use random attacks, much like the bumbling Interpol's finnicky voice-activated tools.
Loved this show so much. I would kill for a crossover where the inspector teams up with Looker to take down a Team Rocket-style MAD, while a couple of 10-year olds do all the real work.