SAN DIEGO — A former child actor who was the voice of Charlie Brown in beloved “Peanuts” TV specials was sentenced to nearly five years in prison Monday for making criminal threats.

Peter Robbins, 59, pleaded guilty last month to sending threatening letters to a manager at a mobile home park in suburban Oceanside, where he lived.

He also sent letters to members of the media in which he offered to pay money to have San Diego County Sheriff Bill Gore killed.

Prosecutors said he also threatened a San Diego judge, but that charge was not part of a plea agreement.

Robbins, who made numerous outbursts in earlier hearings, was relatively subdued at his sentencing, according to The San Diego Union-Tribune.

His attorney, Joey Super, made a request on his client’s behalf to withdraw his plea.