Pokémon

the most important source there is.

Pokémon is a series of video games, trading cards, anime, all that sorta stuff by Nintendo, Creatures and Game Freak.

Tennis Players by Pokemon

Many, many prominent tennis artists are often known by a certain Pokémon - often by a common profile picture, etc. Here's a couple of the more well known ones:

• MycroProcessor, ratkrayola - Jolteon
  • GameBop - Sandslash
    • TheChutley, system128 - Glaceon
      • dani_phantump - Flareon
        • mrdoognoog - "4 4" (glitch)
        • CheeChee - Luxray
          • Zekii - Chespin
            • VidTens443 - Lucario