From Brotato Wiki
+75%
) damage every 2.25s. The projectiles pierces up to 2 targets.
Item
Tyler is an in-game item that can be bought from a Shop or can be found in a Crate. Most Items modify the Stats of the player, and some of them provide additional effects.
Tyler
Buying the item spawns a Tyler at the beginning of each wave that shoots lightning in all directions when enemies come within 200 range for 10 + (100% ) damage every 2.2 seconds. The lightning pierces up to 2 times.
Scaling
Turrets being Structures are unaffected by Primary Stats, such as Damage, Life Steal, Attack Speed, Crit Chance. But are affected by Engineering.
Turrets are affected by Secondary Stats such as piercing and bouncing granted by the items 
Bandana & 
Ricochet. Turrets can inflict burning with 
Scared Sausage, and 
Snake helps inflict burn to more targets.
Trivia
Tyler's design is based on the streamer Olexa, who often plays Brotato. Tyler also appears as a pet in Space Gladiators.
In Freemasonry, a Tyler is a person who guards the door of the Masonic Lodge.