Ash's Egg hatches into a Phanpy.
Although Phanpy is a Ground-type, it was affected by Thunderbolt. However, this could be due to Phanpy's newborn state; its natural protection from Electric-type attacks may not have set in yet.
Even though Meowth says that the paint he put on his tail doesn't wash off and that it took a long time for him to paint it, the paint is missing between the two scenes where Meowth is using his tail as bait, exposing Meowth's normal brown tail.