I gonna go with this one:
List of reasons
1st line: the Elite 4 from the Mario-verse
, who can be recognized by anyone in the world, followed by the 2 side-characters
who had the chance to get their own series.
2nd line: Mario's old rival
who began his career at the same time, followed by his buddy
from his most sold game.
Then we have the hero
we incarnate in every Zelda games and the titular princess
. I hesitated for a
very long time if I should put
as well, but with this 30-characters-only constraint, not being present in every Zelda titles and not being as merchandised as the former two, I finally decided to scrap him.
Then we have
and
.
3rd line:
being the protagonist from the very first FE game and having the biggest number of appearances in the series, and
from the best selling game and representing another facet of the games.
and
are self-explanatory.
4th line:
is self-explanatory as well.
For
I also hesitated to scrap him or not, but with all the cult following around the Mother series and his creator, he finally got the cut.
And then we have the mascot
, the most ppular starter
, the primary and most popular legendary
and the other mascot representing the newest generations
of the Pokémon franchise.
Last line:
and
are from younger but well-established franchises.
is an icon of the arcade era.
is still in mainly to represent one of Nintendo's first-party studios, Monolith Soft.
Inkling is here due to Splatoon being the latest successful franchise.
And finally the
, whatever if you like them or not, for being present for every recent Nintendo systems since the Wii in 2006.