Abstract: An apparatus for cleaning a computer mouse having a cavity for housing a sphere and a plurality of internal components is disclosed. The apparatus includes a body having a first end and a second end, the body having a handle portion disposed proximate the first end and a cleaning portion disposed proximate the second end, the cleaning portion having a width dimension which is slightly larger than the diameter of the computer mouse sphere and having a surface which includes a number of resilient, deformable hooks. The cleaning portion is inserted into the cavity of the computer mouse and rotated, thereby causing the number of hooks to remove debris from the internal components of the computer mouse. The apparatus further includes a retaining ring removal device which facilitates the removal of a retaining ring of the computer mouse, the retaining ring removal device being disposed at the first end of the body, and an interior cavity which facilitates the storage of accessories within the body.