Wild Mass Guessing specifically related to the Type Matchups in the Pokémon franchise. For other Pokémon related WMG's, see Pokémon/WMG. Please add new entries to the bottom of the page. Here's my our speculation about why certain Pokemon types are good against other types:Key (Flipped as necessary; all applicable signs used, separated by |): '+ > super effective against; -> not very effective against; #> Has no effect on.