Hori has announced a Nintendo Switch Left Joy-con controller with a D-pad and a Pikachu design. It will be released on November 16th, 2018 for $24.99 USD. High resolution pictures of the controller have been added to an Imageboard thread.

Product Description:

Give your Nintendo Switch a classic feel with the new d-pad Controller (L) by HORI. Made for the gamer on the go, the d-pad Controller (L) is great for d-pad intensive titles where lightning accuracy counts such as classic arcade archive titles and your favorite Nintendo Switch platformers, puzzle, and fighting games. For portable mode only. Officially Licensed by Nintendo and Pokémon.

• Add a d-pad to your Nintendo Switch!
• For use in handheld/portable mode only
• Perfect for d-pad intensive titles
• Pokémon artwork and design
• Officially Licensed by Nintendo & Pokémon

Source: https://www.amazon.com/HORI-Nintendo-Switch-D-Pad-Controller-Pikachu/dp/B07HMN7TVB/