I do have Kadabra, Machoke, and Graveler for trade backs as well. Also have Hitmonlee I could swap for Hitmonchan. I'd prefer trade backs. Also I do need an Ekans but I have Arbok from my Pokémon Go account.
I'd be free to trade for a bit in about an hour or so. If that doesn't work out I should be free again at around 2pm central time, and again around 10 pm tonight. Message me if any of those times work for you, thanks!