Often, what makes an EKG funny in a cartoon is the use of absurdity. Like showing a character's heart beating in a completely unexpected pattern, or having the EKG machine give out wacky sounds and lights. Also, funny dialogues between characters about the EKG can add to the humor.
First, start with basic sketching techniques like figure drawing and composition. Then, focus on character design and expressions. Also, study different shading and line styles.
Well, the transition can be complex. They might adapt the story to make it more suitable for the length and pacing of a drama series. Also, casting plays a big role in bringing the characters to life on screen.
The depiction of drugs in cartoons varies a lot. Sometimes it's just a passing reference to show it's bad, while in other cases, it could be more detailed but still with a warning. It really depends on the type and target audience of the cartoon. The impact can be that kids might not take the message seriously if it's not shown clearly enough.