BUR #21065 has been approved by @evazion.
create alias castlevania -> castlevania_(series)
create implication castlevania_(1986) -> castlevania_(series)
create implication castlevania_ii:_simon's_quest -> castlevania_(series)
create implication castlevania_iii:_dracula's_curse -> castlevania_(series)
create implication super_castlevania_iv -> castlevania_(series)
create implication castlevania:_lords_of_shadow -> castlevania_(series)
create implication castlevania_ii:_belmont's_revenge -> castlevania_(series)
create implication castlevania:_grimoire_of_souls -> castlevania_(series)
create implication castlevania:_order_of_shadows -> castlevania_(series)
create implication castlevania:_the_arcade -> castlevania_(series)
To remove ambiguity with the game of the same name from 1986, Castlevania.
[EDIT] Added more games from the wiki entry to imply.
Updated