HENCHMAN is defined as:
an unscrupulous and ruthless subordinate, esp. a criminal
So, in the trilogy, who is your favorite henchman?
MYSTIQUE in
X-Men,
X2: X-Men United &
X-Men: The Last Stand
SABRETOOTH in
X-Men
TOAD in
X-Men
LADY DEATHSTRIKE in
X2: X-Men United
MUTANT 143 in
X2: X-Men United
PYRO in
X-Men: The Last Stand
JUGGERNAUT in
X-Men: The Last Stand
-or-
CALLISTO in
X-Men: The Last Stand