Cocker, who presents shows on BBC Radio 4 and 6 Music, is up against Radio 4 news presenter Martha Kearney and former newsreader Charlotte Green.
He presents shows on Hillsong's YouTube channel, FearlessTV, and regularly hangs out with other presenters, such as Joshua and Kyle Brooks.
P27 Richard E Grant to present show on Gold about Ealing comedies.
6Music's lineup includes breakfast host Shaun Keaveny and weekday morning presenter Lauren Laverne, who have both previously presented shows on London music station Xfm, and George Lamb, who was the focus of an online listener campaign to have him removed from the station.
She previously presented shows on Channel 4's T4 and E4.
Lamb, who has also presented shows on E4 and Channel 4's T4, took over the weekday morning slot from Coe, who moved to a new evening slot.
But the award-winning comic Russell Kane, who has presented shows on BBC3, blamed "cultural elitists" for the decision to axe the channel.
Networks view it as the last place to preserve their right to present shows on a given night and charge advertisers a premium.
Ms Stewart appears regularly on TV presenting shows on cookery, crafts and home-making, publishes magazines on the same topics and has her own brand of everyday items like towels and bed linen.
What is unusual is for two diverse institutions to present shows on the same specific aspect of botany: the interaction of flowers with the insects and birds that pollinate them.
