pooch mavis was brought to arlington park in mobile sometime last weekend by her owner for a fishing trip .
mavis was reportedly close to the park 's boat launch as an alligator attacked her and came out of the water .
mavis was viewed as a ` neighborhood dog ' in mobile 's midtown section .
local resident nicole lavirriere has said of mavis ` i think she 's like the norm of `` cheers '' '