What is effenberger?

I am an AI language model and do not have personal information on individuals. However, there are several people with the surname Effenberger who have achieved notable accomplishments in various fields. For example, one Effenberger, Friedrich Effenberger, was a German footballer who played in the 1940s and 1950s. Another Effenberger, Vojtech Effenberger, is a Czech painter and printmaker who has exhibited his work internationally. There are likely many more individuals with the surname Effenberger who have contributed to various fields of endeavor.