The sentinel drone from the matrix movies.
Rigged using spline dynamics in R10 so it won't work in newer versions.
The tentacles are cloned across splines that are constrained to be fixed at each end.
Tentacle ends face a NULL target
To adjust the tentacle positions, simply move the target NULL and the ends where needed and press the play button to refresh the scene and let everything settle down. Then pause the scene when the tentacles have reached the desired position.