Flame, Vline, and splash

Tic, Tac, and Toe

Fluffy (harry potter)

Vulcan, Zeus, and Talona (because it has three heads)

Cerberus (C’mon… it’s obvious)

Flame Taser And decayed

How about Cinder, Wenom and Thunder

Cerb er and ax

Tohl-daem-pol

Spot, if you know you know