| Pokedex Entries: |
| Red | Very protective of its territory. It will bark and bite to repel intruders from its space. |
| Blue |
| Yellow | A Pokémon with a friendly nature. However, it will bark fiercely at anything invading its territory. |
| Gold | It has a brave and trustworthy nature. It fearlessly stands up to bigger and stronger foes. |
| Silver | Extremely loyal, it will fearlessly bark at any opponent to protect its own trainer from harm. |
| Crystal | It controls a big territory. If it detects an unknown smell, it roars loudly to force out the intruder. |
| Ruby | GROWLITHE has a superb sense of smell. Once it smells anything, this POKéMON won't forget the scent, no matter what. It uses its advanced olfactory sense to determine the emotions of other living things. |
| Sapphire |
| Emerald | Its superb sense of smell ensures that this POKéMON won't forget any scent, no matter what. It uses its sense of smell to detect the emotions of others. |
| FireRed | Very friendly and faithful to people. It will try to repel enemies by barking and biting. |
| LeafGreen | Very protective of its territory. It will bark and bite to repel intruders from its space. |
| Diamond | A Pokemon with a loyal nature. It will remain motionless until it is given an order by its Trainer. |
| Pearl |
| Platinum | A Pokemon with a loyal nature. It will remain motionless until it is given an order by its Trainer. |
| Stadium 1 | Friendly and loyal, but also jealously protective of its territory. Carelessly approaching it may result in a bite. |
| Stadium 2 | It has a brave and trustworthy nature. It fearlessly stands up to bigger and stronger foes. |
| TCG | Growlithe: It fears nothing, not even opponents larger than itself. |
