The Walking Dead actor Chandler Riggs reacts to his own “death”

Child actor Chandler Riggs retweeted a screenshot of a webpage ad suggesting that he was dead/died this year.
The Walking Dead actor Chandler Riggs reacts to his own "death"
The Walking Dead actor Chandler Riggs reacts to his own "death"

The first tweet got me confused initially.

Here are people’s reactions:

The Walking Dead actor Chandler Riggs reacts to his own "death"
The Walking Dead actor Chandler Riggs reacts to his own "death"