Lucia

Mel Gibson may have his faults -- but after taking one look at him doting over baby Lucia, we were ready to declare him the bestest father in the world ... in multiple languages!!! Check out TMZ on TV -- click here to see your local listings!

Mel Gibson just arrived at the L.A. County Courthouse in downtown L.A., ready to do battle with Oksana Grigorieva over the custody of Lucia. As TMZ first reported, Mel's lawyers will argue Oksana should be stripped of custody and denied overnight visits. Mel wants the judge to give Oksana…