Shelly and Donny

Shelly and Donny are the weapons dealers for Ammo Knights in Inkopolis in Splatoon 3 Expansion Pass.

Appearance
Shelly and Donny resemble Sheldon, but are noticeably smaller and more infantile looking. Notably, their shells are partially translucent, and as Triops, their tails are forked. They have large, round, conjoined eyes, and wear yellow Boy's Scout uniforms.

Trivia

 * Shelly and Donny are similar to Timmy and Tommy from the Animal Crossing Series.
 * They both are duo's comprising of young characters who are of the same (in Shelly and Donny's case, similar) species of an older character who fulfils a similar role.

Etymology
Shelly and Donny come from each syllable of Sheldon with the diminutive suffix -y.