(Note: The following links and sites are from other hosters, so their contents are NOT under my control.)

Here you will find different links to sites related with FinFin:

Fin Fin auf Teo und der fehlerhafte Smart Sensor
(Fin Fin on Teo and the imperfect Smart Sensor)
Doesn't your Smart Sensor working? At this german site you can get help (3-Worlds-Version under Win95/98 only)

Das FinFin-Archiv
(The FinFin-Archive)
A german site with many PDF-Files of old newspaper articles and some FinFin-Manuals. You can also download various software (e.g.: FinFin V9.0 [6 locations, Chinese], FinFin Animated Storybook [English])

Fin Fin on QEMU
Fin Fin on QEMU is a project designed to create an easy to use way for anyone to play Fin Fin without the need for any complicated setup on modern operating systems. It is fully compatible with Windows 10 and 11, but should also work on any version after XP
(This text is taken from the web page)

Discord - Fin Fin Fans!

The Prismatic Nest
A website with many pictures of FinFin-Junior in all colors

A small page with 4 pictures, which probably served as a draft for the Teo anime