Shiny wise he is after any of the following:
doduo, paras, corsola (but needs to be able to evolve), mothim, vespiquen, chingling, hippopotas (either one), mantyke
If you don’t have any of those he has a list of lucky trades (not shiny) that he’s after. Which includes:
stantler, numel, spheal, rotom, basculin, maractus, sigilyph, yamask, solosis, alomomola, cryogonal, clauncher, hawlucha, fomantis, salandit (female), oranguru, turtonator, tapu bulu, rolycoly, toxel, mr rime, runerigus, bombirdier, dondozo, annihilape, poltchageist