The Hoff has made a heartfelt online plea asking his fans to show support of the Rena oil disaster.Former Baywatch star David Hasselhoff tweeted about the situation to his 317,817 followers."This was a beach I was on last Jan. and the KIWIS need our help Horrible and sad this keeps happening," he posted on Twitter.The former Knight Rider star visited Mt Maunganui earlier this year for an iceblock launch and said he had a fabulous time in New Zealand.Hundreds showed up at to mob the Hoff in what he later said was the best welcome he had received anywhere.But although Hasselhoff has been keeping up to date with his current affairs, Kiwi-born actor Russell Crowe hasn’t been staying abreast of the news.Crowe, who has 296,173 Twitter followers, admitted he had no idea what was happening off Tauranga's coast.One of his followers asked: "Hi do you heard what happens near the New Zealand coast? a ecologic disaster with a black tide I'm very angry :'-(" Crowe replied: "what happened?"