Lonely on X: "I imagine someone made it to Anabel in Pokémon Emerald and they expected her to use Entei or Raikou in the anime as well, but then her last Pokémon
Anabel - Bulbapedia, the community-driven Pokémon encyclopedia
Concepts For The Missing Emerald Frontier Brains (Greta, Tucker, Spenser, Brandon, and Anabel) : r/pokemonmastersconcept