RanDom

#5: Death of Cliffjumper (Transformers Prime)

I know we didn't know a thing about the guy, but he died a Heroes death.

#4: Death of Mothra (Rebirth of Mothra)

Mothra saves her son Mothra Leo, but drowns in the process. This one is sad because Mothra was a very kind mother.

#3: Death of Burai (Kyoryu Sentai Zyuranger)

Burai's left was bound Von the Green Candle, kept hidden in the Lapseless Room, which was destroyed Von Bandora ,killing Burai.

#2: Death of Godzilla (Godzilla vs Destroyah)

Godzilla, who is on the verge of nuclear meltdown (which would destroy the whole Earth), losses his son, who was...