Jacob is a crazy boy whom likes Misty and soon Dawn. In Episode 450 In ETV FANON. Jacob has only two Pokemon But, in Pokemon Blue-Green He is the 3rd Gym leader and has dozens of Pokemon. Meanwhile in the anime because the star is not Ash but, Kyle Katchom and he is just trying to cath them all he hardly ever faces Gym Leaders.
In Anime: Huttamon (not seen) Turtwig
In GAMES: all in anime Piplup Chimchar Geodude has 19 back-up that can be seen in office.
In Episode 500 on ETV FANON He and all the Pokemon Rangers are killed in a fire. He is Unknown to surrvive or not.