Newly-blond Argentinian soccer star Lionel Messi [1] welcomed a little drool and fur into his life earlier this year with the addition of a French Mastiff puppy named Señor Hulk (Sr. Hulk for short). Leo and his longtime girlfriend Antonella [2], who gave the footballer [3] the pet as a present, are both impressed at how large their gentle dog has gotten in mere weeks — and so are their fans, who have been following the pup pretty intensely on Instagram. Keep reading to check out Sr. Hulk's hilarious growth spurt for yourself!