"In America, there's this big problem of shootings in schools," Baron Cohen said.
Walsh in a tweet said that Baron Cohen "fooled" him, but said he was against arming of kindergarteners.
Gun-ownership rights activist Philip Van Cleave was also asked to help create a training video for the toddlers featuring "gunimals".
Larry Pratt, the executive director of Gun Owners of America said "toddlers are pure, uncorrupted by fake news or homosexuality.
"Thank you Sacha Baron Cohen for highlighting what people think.
Thank you Sacha Baron Cohen for highlighting what people think.
They are talking about arming kids in kindergarten to stop someone with a gun. »