![Butch Hartman on Twitter: "Early DANNY PHANTOM concept art. #butchhartmandraws #goingghost #childhoodmemories https://t.co/KDyCc2D8LF" / Twitter Butch Hartman on Twitter: "Early DANNY PHANTOM concept art. #butchhartmandraws #goingghost #childhoodmemories https://t.co/KDyCc2D8LF" / Twitter](https://pbs.twimg.com/media/DOhhpETV4AEMxko.jpg)
Butch Hartman on Twitter: "Early DANNY PHANTOM concept art. #butchhartmandraws #goingghost #childhoodmemories https://t.co/KDyCc2D8LF" / Twitter
Butch Hartman on Twitter: "Some early #DANNYPHANTOM concept art. From 2001! https://t.co/FfJgn0oLmb" / Twitter
![Butch Hartman on Twitter: "Original concept drawings for CHESTER! (Not the tiger face) #FairlyOddparents #characterdesign https://t.co/wNlzAzcsfs" / Twitter Butch Hartman on Twitter: "Original concept drawings for CHESTER! (Not the tiger face) #FairlyOddparents #characterdesign https://t.co/wNlzAzcsfs" / Twitter](https://pbs.twimg.com/media/DLBqPi0V4AAVTgo.jpg)