<Tr> <Th_colspan="2"> Brock </Th> </Tr> <Tr> <Td_colspan="2"> Pokémon character </Td> </Tr> <Tr> <Td_colspan="2"> Brock, as seen in Pokémon: Diamond and Pearl series (Seasons 10 - 13) </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> Pokémon Red and Blue </Td> </Tr>

Why did brock leave ash in black and white