https://www.youtube.com/watch?v=NTt65qAkR84Some potential new Pokémon have somehow leaked onto the Internet. It is not currently known from where these leaks have come but they appear to be from some videos that must have been uploaded from somewhere. It’s not clear when these specific Pokémon are to be revealed so as they are unofficial releases.

Do note that these are not currently confirmed 

Now confirmed with an official trailer.

It confirms that Tapukoko is Electric/Fairy and the ability Elec Maker which automatically turns the field into Electric Terrain. Charjabug is Bug/Electric. Vikavolt is Bug/Electric. Drampa is Normal/Dragon. Bruxish is Water/Psychic. Cutiefly is Bug/Fairy and Togedemaru is Electric/Steel-type

Source: Serebii