Listen to the sound clip Ohh. from Klaus Heissler Sounds: American Dad – Seasons 1 and 2: Ohh. Ohh. This sound is from Klaus Heissler Sounds: American Dad – Seasons 1 and 2 Soundboard for Klaus Heissler, the talking fish on American Dad. Audio is from Seasons 1 and 2 of the show. Go to the full soundboardwith more sound clips Search