RINGKRUH
Appeared on January 18th 2008 on the official site. It was called the "spinning wheel", which showed a new secret every day till the release of the self-titled album.
HOUSE
Appeared after the SNGA release. It was claimed to be related to the picture in the cover book of SNGA, where are the guys in front of a house.
STICK WITH 2 SERPENTS
Appeared after the SNGA release. It was claimed to be (as a medicine symbol) related to the picture in the cover book of SNGA, where are the guys in a hospital.
BLAZON WITH GOLF STICKS
Appeared after the SNGA release. It was claimed to be related to the picture in the cover book of SNGA, where are the guys at a golf pitch.
SAD SMILEY
Appeared after the NPNHJB release. It was claimed to be related to most of the "sad songs" on the record.
STORMY & RAINY CLOUD
Appeared after the NPNHJB release. It was claimed to be related to most of the "sad songs" on the record.
BROKEN HEART
Appeared after the NPNHJB release. Most probably, it's related to the "stormy" era of the guys' teenage years.