The ornamental design for an octopusbottleopener, as shown and described.
FIG. 1 is a top perspective view of an octopus bottle opener showing my new design;
FIG. 2 is a front elevation view of the octopus bottle opener of FIG. 1, the rear, right side, and left side elevation views being mirror images thereof;
FIG. 3 is a top view of the octopus bottle opener of FIG. 1;
FIG. 4 is a bottom view of the octopus bottle opener of FIG. 1; and,
FIG. 5 is a bottom perspective view of the octopus bottle opener of FIG. 1.
The broken lines shown in the drawings depict portions of the octopus bottle opener that no part of the claimed design.