Here is the full list of all 38 Diggs Nightcrawler trophies - there are 23 bronze, 10 silver, 4 gold and 1 platinum.
Complete Chapter Three
Report everything to Humpty
Down came the rain and washed the spider out
Complete the shoot-out in 210 seconds
Humpty comes back to life
Hit two Monkeys at the same time
Find out who is the boss
Help the Invisible Man to find the entrance
Complete Chapter Two
Sneak past the three monkeys
Help Ma Goose to fix a broken book
Carry a sheep on Diggs' barrel
Chose a path for Diggs
Complete Chapter One
Escape from the three little pigs
Find the dancers behind Humpty's Club
Don't get caught by the three little pigs in Humpty's club
Help Diggs enter Humpty's Club
Rub the shark to find the objects
Enter Diggs's office
Unlock all other trophies
Meet all of the characters during the corridor chase
Follow the villain's shadow without making a mistake
Look at the lightning through the elevator window
Get caught and escape from the three little pigs three times in Humpty's club
Play all the musical instruments at the same time
Make a sheep pile and knock it down
Drive without hitting obstacles
Hit all the musical ducks
Clear up the big sheep pile in 30 seconds
Help Ma Goose to fix 5 books in 240 seconds
Unravel Diggs without Shadow noticing in the hangar
Stop the fire
Only hit the monkeys
Climb up the waterspout without being hit
Complete 20 photo assignments
Complete 50 photo assignments
Complete all 88 photo assignments