From Brotato Wiki
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.
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 are unaffected by Primary Stats, such as % Damage, Life Steal, Attack Speed, Crit Chance. But is affected by Engineering & Range.
Turrets are affected by Secondary Stats such as piercing and bouncing granted by the items Bandana & Ricochet. Explosive Turret benefits from Explosion Damage and Size granted by Dynamite & Plastic Explosive. Turrets can inflict burning with Scared Sausage, and Snake helps Incendiary Turret 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.