Characters you'd want to see interact

Self-explanatory!! Pokémon characters that you'd wanna see interact and why ! this could be liek in the form of main series or pokemas or anything really or even characters from outside the mainline games, just any pkmn characters u wanna see interact 4 any reason !! like 4 example i wanna see arven and n interact in pokemas solely because nemo and penny both got 2 be paired with a unova character during their release event ooor i wanna see blue and silver interact because of blue taking over gios gym or orrr paulo and kieran because of their similarities !! :3 anything goes !!