No, but you can dye it's collar
Chat with our AI personalities
First you must obtain a name tag. They can be found in dungeons and abandoned mineshafts or they can be traded with villagers or found from fishing. Then you must name the name tag using an anvil. Finally, right click on your dog with the name tag and it will be named.
The animals do not have genders, so there's no concept of making one a 'boy'. You could give it a masculine name with a Name Tag.
give it a bone
Yes, there are dogs in Minecraft. They are the tamed version of wolves (who are tamed using bones).
MC 1.6.2 Adds a nametag, which can be found in chests around the world. Put a nametag in an anvil, and rename the nametag. Then right click your dog (or other animal) to name it. (If you name it "Dinnerbone" the animal will become upside-down) Best Minecraft Server: smp.hydrocitygaming.com