Answer the following question: - title is dennis siver on ufc 127 - years active is 2004 - '' present '' - birth name is dennis d. siver - team is kiboju - birth date is 13 january 1979 - mma koloss is 3 - sherdog is 9817 - fighting out of is mannheim , germany - mma decwin is 8 - birth place is omsk , russian sfsr , soviet union - mma decloss is 3 - mma kowin is 5 - image size is 200px - nationality is russian - url is http://www.dennis-siver.com . - mma subwin is 9 - mma subloss is 5 - image is dennis_siver_ufc_mma_fighter_germany . jpg - rank is black black belt in taekwondo - mma nc is 1 Given the details above, guess who could this information be about.
Answer:
dennis siver