The Penguin is one of the oldest foes of Batman. He appeared in 2 episodes of The New Scooby-Doo Movies. He was voiced by Larry Scorch

The Dynamic Scooby-Doo Affair

He teams up with Joker as they are told by a hooded figure to wait and they will get money in exchange for killing Batman and Robin.

Caped Crusader Caper

Here he teams up with Joker and kidnap a doctor which has invented a machine that can make you fly.

More info about The Penguin here