Metal Knuckles


 * ''For other robotic versions of Knuckles, see Mecha Knuckles.

Metal Knuckles is a robot version of Knuckles who appeared in Sonic R as a unlockable character. It was created by Dr. Robotnik and it's abilities are similar to Knuckles. In Sonic R, it is an unlockable character by collecting 5 Sonic Tokens on Reactive Factory.

Artwork
 File:Metal knuckles Sonic R.png|Sonic R 

Screenshots
 File:Mknuckles.jpg|Sonic R File:Mknuckfly.png|Sonic R File:R_03.jpg|Sonic R File:R_11.jpg|Sonic R File:R_19.jpg|Sonic R File:Sonic r.gif|Sonic R File:Metal Knux1st.jpg|Sonic R 