![Butch Hartman on Twitter: "A typical page of my sketchbook. #butchhartmandraws https://t.co/NWWHjD0FDX" / Twitter Butch Hartman on Twitter: "A typical page of my sketchbook. #butchhartmandraws https://t.co/NWWHjD0FDX" / Twitter](https://pbs.twimg.com/media/DTB5kvwUMAAk-Fk.jpg)
Butch Hartman on Twitter: "A typical page of my sketchbook. #butchhartmandraws https://t.co/NWWHjD0FDX" / Twitter
![Butch Hartman on Twitter: "ART TIPS: draw with pen direct to paper. Teaches you to be confident in your linework. https://t.co/S9JgnZsSTP" / Twitter Butch Hartman on Twitter: "ART TIPS: draw with pen direct to paper. Teaches you to be confident in your linework. https://t.co/S9JgnZsSTP" / Twitter](https://pbs.twimg.com/media/Dnpz9rJUwAAEdJ2.jpg)
Butch Hartman on Twitter: "ART TIPS: draw with pen direct to paper. Teaches you to be confident in your linework. https://t.co/S9JgnZsSTP" / Twitter
![Butch Hartman on Twitter: "Quick sketch of the Butch Hartman @NickAnimation gang! #fairlyoddparents #DannyPhantom #BUNSENisaBEAST #tuffpuppy #sketchbook https://t.co/S6ZRRWstIA" / Twitter Butch Hartman on Twitter: "Quick sketch of the Butch Hartman @NickAnimation gang! #fairlyoddparents #DannyPhantom #BUNSENisaBEAST #tuffpuppy #sketchbook https://t.co/S6ZRRWstIA" / Twitter](https://pbs.twimg.com/media/DBrzKa-UMAAWtRJ.jpg:large)