Vincent Never Recovered From His Failure To Beat The Elite Four.

Shuppet: the Puppet Pokémon. Shuppet is attracted by feelings of jealousy and vindictiveness. If someone develops strong feelings of vengeance, this Pokémon will appear in a swarm and line up beneath the eaves of that person's home.

In retrospect, perhaps the Puppet Pokémon might have been more appropriate for Cloud.