There are several artists called Tigger not counting Big Tigger.
1) Canadian drum 'n bass
2) Gangsta hip hop
3) house DJ
4) producer
5) Afto-Cuban vocalist
6) psychobilly vocalist
7) reggae lyricist
It may also refer to the Walt Disney character from the Winnie the Pooh franchise. The vocals are usually (but not always) performed by either the late Paul Winchell or current voice actor Jim Cummings.