with reference initially to fig1 , a grill cleaning tool ( brush ) splatter guard 10 , 20 of the present invention is configured over an existing brush 90 . at the distal ( front ) end , the invention 10 has a slot 28 ( as also shown in fig7 ) to accommodate a scraper portion 92 of the bbq brush through said slot 28 . the splatter guard 20 has a main portion 21 covering a top of the brush portion 93 of the grill tool 90 . a lateral guard 22 provides lateral splatter protection while a rear opening 26 is necessary to assist coupling and uncoupling of the brush tool 90 to the splatter guard 20 . in one embodiment , the coupling is accomplished with permanent magnets 33 on an underside of the main portion 21 with corresponding ferromagnetic material . in another embodiment , the splatter guard 20 is permanently affixed to a bbq grill brush 90 . it is additionally contemplated that the splatter guard 20 is comprised of opaque material . as stated , the splatter guard 20 is optimally designed to eliminate grease and residue splatter when cleaning a grill that might permanently soil clothes and generally cause a mess . it should be noted that a forward guard 27 ( fig3 ), rear guard 23 , 24 , 30 ( and 40 alternative embodiment shown in fig6 a ) are providing protection in multiple directions . with regard to fig2 , the main cover portion has a forward and rear end , wherein the rear end has a raised hood 25 forming the rear opening 26 . a raised tab 29 for grasping and positioning the improved splatter guard 20 is additionally provided . close inspection reveals that the tab 29 has a pie wedge shape and is affixed to both the splatter guard 20 main portion 21 and raised hood main portion 25 . also , the tab 29 has an angle 99 with respect to the raised hood 25 that also corresponds to an angle that the brush 90 handle 91 is affixed to the brush portion 93 . similarly , the raised hood 25 has a riser portion 24 with a similar angle 99 . angular relationships 99 are also clearly shown in a profile view by fig4 . also regarding fig1 and fig2 together , the hood riser portion 24 has a triangular shape cooperating with the trapezoidal shape of the hood main portion 25 to ergonomically configure to a grill brush 90 . additionally , the guard main portion 21 together with the lateral guard 22 form a frustum of a pyramid being hollow for covering the brush portion 93 . additionally as seen in fig2 , the rear opening 26 a rear guard 30 is further configured to the rear opening 26 providing splatter protection in a reverse cleaning direction while continuing to allow the brush handle portion 91 therethrough . in a preferred embodiment a hinge 31 is provided to pivotally allow the rear guard 30 to open for removal and passage of the brush handle portion 91 . in yet another preferred embodiment , the splatter guard 20 is comprised of heat resistant plastic , realized by injection molding ; and further said hinge 31 can therefore be a living hinge 31 having relatively thin plastic flanked by relatively thicker plastic . fig3 provides an additional view from a front of the preferred device 10 . in this illustration , the forward guard 27 is most clearly visible . fig4 provides a profile view most clearly showing angular 99 relationships between elements 24 , 29 , and 91 . fig5 a and fig5 b provides perspective views from an underneath vantage point showing the first rear guard 30 embodiment . fig6 a and fig6 b illustrate a second preferred rear guard 40 embodiment next to the first 30 . similarly , fig7 provides a perspective view of first rear guard 30 with hinge 31 . while fig8 provides a similar view of the second preferred rear guard . therein , the improved splatter guard 20 rear guard 40 includes first 42 and second flaps 43 for securing to an inside of the rear main portion 23 ; and a tab 41 for assisting removal and passage of the brush handle portion 91 . many alterations and modifications may be made by those having ordinary skill in the art without departing from the spirit and scope of the invention . therefore , it must be understood that the illustrated embodiments have been set forth only for the purposes of example and that it should not be taken as limiting the invention as defined by the following claims . for example , notwithstanding the fact that the elements of a claim are set forth below in a certain combination , it must be expressly understood that the invention includes other combinations of fewer , more or different elements , which are disclosed above even when not initially claimed in such combinations . insubstantial changes from the claimed subject matter as viewed by a person with ordinary skill in the art , now known or later devised , are expressly contemplated as being equivalently within the scope of the claims . therefore , obvious substitutions now or later known to one with ordinary skill in the art are defined to be within the scope of the defined elements . while the particular bbq grill brush splatter guard as herein shown and disclosed in detail is fully capable of obtaining the objects and providing the advantages herein before stated , it is to be understood that it is merely illustrative of the presently preferred embodiments of the invention and that no limitations are intended to the details of construction or design herein shown other than as described in the appended claims .