Brock was a former travelling companion of Ash, who traveled with him through Kanto, Johto, Hoenn and Sinnoh. he was voiced by Eliud Munoz.
In Time Flies, Brock is seen in the background with Pikachu, watching as Ash and Dawn argue about raising Piplup. Later in the same episode, Ash tells Rowlet that he should introduce him to Brock at some point.
Time Flies (flashback; mentioned)
- When Ash mentions his friend Brock likes sacks like Rowlet, it is a clear reference to 1KidsEntertainment's Pokémon 'Bridged version of Brock.