If shape shifter counts:

3. Meow, the Secret Boy

8. Dog Knows Everything

9. Monster Next Door - technically speaking, I wouldn't really say the animal in this series was a big part of the advertising, but that turtle somehow ended up having more screentime than the side couple 

10. Ride on. 


Other can choose the next topic 

10 dramas in which actors play themselves- character name is same as their name.

1. Hua Jai Sila - Both the actor and the ML's name is Tor

3. Unstoppable High Kick - Most of adults use their real names.
4. High Kick through the roof - Some of the adults use their real names.
5. High Kick - The revenge of the short legged - The parents of the main family use their real names.

6. Hot Stove League - it's a guest role, but I believe Lee Je Hoon plays a character called Lee Je Hoon 

8. Hwang Chan Sung plays a character that's called Baek Chan Sung in the drama my holo love.