The J.A.M. Scientists are three male Jovians.
Description[]
Animal behavior experts employed by Jupiter's “Animal Ministry”, these three well-intentioned but somewhat clueless scientists were employed in 1960 to study the "wonder" of the "talking alien animal", Donald Duck, whom a fisherman had found on a random rock in the Asteroid Belt. They proved unwilling to forego preliminary tests even in the face of Donald's obvious sapience, asking him to complete trivial tasks over and over until Donald lost his temper and knocked them out with an explosive he'd made using their own equipment. By this point, the Scientists decided modesty was the better part of valor and stopped trying to study Donald, instead sending him off to a Jovian zoo (where he met up with Huey, Dewey and Louie Duck).
Behind the scenes[]
These Jovian scientists children appeared in the 1960 story Uncle Scrooge's Money Rocket.